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Papillary fibroelastomas (PFEs) are rare, benign primary cardiac tumors. Their clinical manifestations range from asymptomatic findings to serious embolic events, including cerebrovascular accidents, myocardial infarctions, or arrhythmias. Though extremely rare, PFEs have been associated with acute coronary syndrome in only a few cases documented in medical literature. We present the case of a 39-year-old male who presented with acute-onset severe chest pain and was diagnosed with inferior myocardial infarction. Coronary angiography revealed a high thrombus burden in the right coronary artery. Multimodality imaging, including transthoracic echocardiography and cardiac magnetic resonance imaging, identified a well-defined, mobile mass attached to the right coronary cusp of the aortic valve, highly suggestive of a PFE. Following a multidisciplinary consultation, we performed surgical excision of the mass, and histopathology confirmed the diagnosis of PFE. The patient made an uneventful recovery postoperatively. This case highlights the rare association of a PFE with acute coronary syndrome, emphasizing the importance of multimodality imaging in the accurate diagnosis of cardiac masses. Given the potential for serious embolic complications, prompt surgical intervention remains the treatment of choice in symptomatic cases. Further studies are needed to establish clear guidelines for the management of asymptomatic fibroelastomas., Competing Interests: Human subjects: Consent for treatment and open access publication was obtained or waived by all participants in this study. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work., (Copyright © 2024, A. Ismaiel et al.)

Spontaneous coronary artery dissection (SCAD) is a significant cause of acute coronary syndrome, myocardial infarction, arrhythmia, and sudden death, particularly in young women and individuals with few conventional atherosclerotic risk factors, necessitating a high degree of suspicion. The most common risk factors for SCAD include atherosclerosis, females in the peripartum period, autoimmune inflammatory diseases, and connective tissue diseases. We present an unusual case of a young man who was initially suspected of having myocarditis, but cardiac magnetic resonance (CMR) revealed an ischemic pattern in late gadolinium enhancement. A coronary angiography (CA) led to the diagnosis of SCAD. We report a case of a 28-year-old male who presented with typical chest pain on and off for the past three months. Since the patient had no medical or cardiac history, the previous computed tomography CA (CTCA) revealed normal coronaries, raising the suspicion of myocarditis. Consequently, we performed a CMR, which revealed subendocardial delayed enhancement in the apical anterior and mid-anteroseptal segments, thereby ruling out myocarditis. The decision was made here to perform a coronary angiogram, which led to the diagnosis of SCAD., Competing Interests: Human subjects: Consent for treatment and open access publication was obtained or waived by all participants in this study. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work., (Copyright © 2024, A. Ismaiel et al.)

Introduction Myocardial properties can be quantitatively evaluated using myocardial native T1 values (nT1) obtained using cardiac magnetic resonance imaging (CMR). In terms of myocardial wall thickness, the left ventricular nT1 is easy to measure, but the right ventricular nT1 is difficult. Patients with congenital heart disease often develop right ventricular overload. If right ventricular nT1 can be measured consistently, inflammation and fibrosis of the right ventricular myocardium can be quantitatively evaluated. We aimed to determine whether T1 mapping during systole can be used to evaluate right ventricular myocardial properties. Methods T1 mapping was performed at diastole and systole. Systolic T1 mapping was calculated from diastolic T1 mapping and cine images. The myocardial properties of both ventricles were evaluated in 13 healthy volunteers (21-26 years old) and 12 patients with right ventricular overload (12-41 years old) who underwent CMR examination at our hospital. Results From the analysis of left ventricular nT1, we found that nT1 did not change significantly during the cardiac cycle. However, right ventricular nT1 changed between diastole and systole because the right ventricle is affected by blood. Although there was no difference in right ventricular diastolic nT1 between the patients and volunteers (1,346.8 vs. 1,347.6 ms, p = 0.852), the right ventricular systolic nT1 was significantly higher in patients than in volunteers (1,312.7 vs. 1,233.8 ms, p = 0.002). This indicates that right ventricular myocardial damage occurs in patients with right ventricular overload. Conclusion Systolic right ventricular myocardial T1 mapping allows assessment of right ventricular myocardial properties. The right ventricular myocardial systolic nT1 is useful for evaluating myocardial damage due to right ventricular stress and myocardial injury. Measuring right ventricular nT1 may allow consideration of early therapeutic intervention., Competing Interests: Human subjects: Consent was obtained or waived by all participants in this study. Asahikawa Medical University Ethics Board issued approval 21163. This study was conducted in compliance with the standards of the Declaration of Helsinki and the current ethical guidelines and was approved by our institutional ethics board. Written informed consent to participate was obtained from all the participants. Animal subjects: All authors have confirmed that this study did not involve animal subjects or tissue. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work., (Copyright © 2024, Sasaki et al.)

Cocaine is a widely available illicit substance with a costly financial and social burden on the healthcare infrastructure. Both acute and chronic cocaine use can lead to sequelae of cardiac diseases, including myocardial infarction, aortic dissection, and cardiomyopathy. Cardiac magnetic resonance (CMR) imaging is a powerful tool for detecting myocardial injury leading to prompt treatment and risk stratification. We present two differing cases of sequelae of myocardial injury as a result of cocaine use. We present critical findings on CMR imaging, including myocardial injury patterns, which can help differentiate between acute and chronic injury and assess the extent of damage. Cocaine exerts potent sympathomimetic effects, increasing myocardial oxygen demand and causing coronary vasospasm, thrombosis, and direct myocyte toxicity. Acute cocaine use significantly elevates the risk of myocardial infarction, while chronic use can lead to cardiomyopathy and heart failure. CMR features include wall motion abnormalities, myocardial perfusion defects, and fibrosis. Early identification and intervention can potentially reverse interstitial fibrosis before progression to irreversible damage. CMR is an essential diagnostic tool for characterizing myocardial injury, distinguishing between reversible and irreversible damage, and providing prognostic information on cocaine-induced myocardial injury. The cases highlight the importance of CMR in managing and understanding the full spectrum of cocaine-related cardiac damage., Competing Interests: Human subjects: Consent was obtained or waived by all participants in this study. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work., (Copyright © 2024, Fan et al.)

Cardiac masses are rare and of the neoplastic group, myxomas are the most common. An elderly male with a background of multiple myeloma and previous autologous stem cell transplant presented with dyspnea and chest heaviness with a subsequent cardiac mass found. Multimodal imaging, including three-dimensional (3D) echocardiography and cardiac magnetic resonance (CMR) imaging, was utilized to guide the diagnostic process, particularly given the differential of a cardiac plasmacytoma in the setting of multiple myeloma. CMR was used to identify characteristic features of the mass and 3D echocardiography highlighted the anatomical relationships of the mass in relation to surrounding structures to complement surgical planning. The different imaging approaches and clinical decision-making were implemented to aid in definitive surgical management., Competing Interests: Human subjects: Consent was obtained or waived by all participants in this study. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work., (Copyright © 2024, Lal et al.)

This case report documents a rare congenital anomaly in a 27-year-old man of African descent presenting with exertional chest discomfort and shortness of breath, diagnosed with a ruptured right sinus of Valsalva (RSOV) aneurysm dissecting into the interventricular septum (IVS), creating an aneurysmal cavity. Such occurrences are typically rare, with this type of aneurysm largely manifesting in the right atrium, making its presentation in the IVS without intracardiac communication exceptionally uncommon. Cardiac imaging, including transesophageal echocardiography and cardiac magnetic resonance imaging (CMR), played pivotal roles in visualizing the structural abnormality and planning the subsequent surgical intervention. The patient's treatment included heart failure optimization, followed by surgery to repair the aneurysmal cavity while preserving the native aortic valve. Postoperative challenges included a complete heart block managed by cardiac resynchronization therapy and an intracardiac defibrillator. The report underscores the importance of advanced imaging in diagnosing and managing rare cardiac anomalies, highlighting the aneurysm's unique rupture pattern and location., Competing Interests: Human subjects: Consent was obtained or waived by all participants in this study. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: All authors have declared that there are no other relationships or activities that could appear to have influenced the submitted work., (Copyright © 2024, Pandey et al.)

Cardiac angiosarcoma is a malignant cardiac tumour. We present the case of a young patient in his mid-30s with recurrent pericardial effusion. He had flu-like symptoms a month earlier and had shortness of breath, lethargy, and tightness in his throat for the past ten days. Echocardiography demonstrated global pericardial effusion > 4 cm with tamponade features, and the patient was blue-lighted to our hospital. He underwent emergency pericardiocentesis, and > 1 litre of pericardial fluid was drained. Computed tomography of the chest, abdomen, and pelvis revealed small-volume ascites and moderate right-sided pleural effusion, with associated lobar collapse. The patient presented to the hospital with global pericardial effusion requiring emergency pericardiocentesis three weeks later and underwent cardiac magnetic resonance imaging demonstrating global pericardial effusion and a 48 × 26 mm pericardial space mass adjacent to the right atrium. He underwent surgical resection of the tumour, followed by chemotherapy, and tolerated the treatment well. The patient is currently under follow-up., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2024, Khan et al.)

The public health concerns from Chagas disease warrant improved cardiovascular imaging efforts, and in this report, we review a military service member presenting with electrocardiographic and cardiac magnetic resonance imaging (CMR) findings that recognized a Chagas dilated cardiomyopathy. We present an updated Chagas staging classification incorporating CMR to increase diagnosing cardiomyopathies., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2024, Smith et al.)

Objective Evaluating an artificial intelligence (AI) tool (AIATELLA, version 1.0; AIATELLA Oy, Helsinki, Finland) in interpreting cardiac magnetic resonance (CMR) imaging to produce measurements of the aortic root and valve by comparison of accuracy and efficiency with that of three National Health Service (NHS) cardiologists. Methods AI-derived aortic root and valve measurements were recorded alongside manual measurements from three experienced NHS consultant cardiologists (CCs) over three separate sites in the northeast part of the United Kingdom. The study utilised a comprehensive dataset of CMR images, with the intraclass correlation coefficient (ICC) being the primary measure of concordance between the AI and the cardiologist assessments. Patient imaging was anonymised and blinded at the point of transfer to a secure data server.  Results The study demonstrates a high level of concordance between AI assessment of the aortic root and valve with NHS cardiologists (ICC of 0.98). Notably, the AI delivered results in 2.6 seconds (+/- 0.532) compared to a mean of 334.5 seconds (+/- 61.9) by the cardiologists, a statistically significant improvement in efficiency without compromising accuracy. Conclusion AI's accuracy and speed of analysis suggest that it could be a valuable tool in cardiac diagnostics, addressing the challenges of time-consuming and variable clinician-based assessments. This research reinforces AI's role in optimising the patient journey and improving the efficiency of the diagnostic pathway., Competing Interests: AIATELLA has filed for a patent related to the method utilised by the AI tool to determine key landmarks and produce measurements from medical imaging. Patent application 20235369 - Finland - Machine Learning Based Landmark or Segment Detection From Medical Image Data.. Jack Parker is the CEO and co-founder of AIATELLA. He holds a majority shareholding in the company. James Coey is an unpaid advisor to AIATELLA., (Copyright © 2024, Parker et al.)

Constrictive pericarditis (CP) is a disease primarily affecting the pericardial sac surrounding the heart. The constrictive physiology placed on the heart chambers can lead to clinical presentations mimicking heart failure and possibly primary liver disease. The diagnosis can often be missed and attributed to other etiologies until the patient undergoes extensive workup to rule out each potential etiology. Diagnosis can be delayed, leading to suboptimal outcomes and mortality rates. Here, we present a case of CP initially presenting with bilateral lower extremity and scrotal edema, initially attributed to alcoholic liver cirrhosis given the patient's history of alcohol abuse. Subsequent abdominal imaging found no evidence of cirrhosis, coupled with grossly normal echocardiogram that led to extensive workup and eventually the diagnosis of CP based on cardiac MRI. The patient later underwent pericardiectomy and made a full recovery. This case highlights the often ambiguous presentation of CP, the utility of cardiac MRI in diagnosis, and the need for specific criteria to help guide future diagnoses as imaging modalities continue to evolve., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2023, Vaysblat et al.)

Masson's tumor is a benign tumor that usually arises secondary to vascular trauma or thrombi, leading to vascular proliferation. Masson's tumors are most commonly reported in the head, neck, and extremities. Cases in the heart are exceedingly rare, with most case reports describing the left atrium as the most common location. Even though the tumor is benign, excision is recommended due to the risk of embolization. This is a case of Masson's tumor located in the left ventricle. The patient is a 24-year-old female, who presented complaining of palpitations and lightheadedness. Transthoracic echocardiography showed a mobile echodensity in the left ventricle. Cardiac MRI showed characteristics similar to a myxoma. The patient underwent surgical resection and a biopsy showed Masson's tumor. This case report focuses on the histopathological features and imaging findings of Masson's tumor., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2023, Panama et al.)

The ubiquity of coronary angiography has increased the identification of myocardial infarction with non-obstructive coronary arteries. Currently among cardiologists, there is neither a consensus nor comprehensive diagnostic blueprint for accurate evaluation of patients with myocardial infarction with non-obstructive coronary arteries. We present a case of a patient with recurrent chest pain. A diagnosis of myocardial infarction with non-obstructive coronary arteries secondary to coronary artery vasospasm was determined with the use of multimodality imaging cardiac imaging., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2023, Manongi et al.)

A 63-year-old woman with a history of previous anaphylactic reaction to iodate contrast presented with sudden back pain during exertion associated with elevated D-dimer levels. Transthoracic echocardiogram was unremarkable. She was unable to perform a computerized tomography for further evaluation of the aorta due to her allergic background. Transesophageal echocardiogram disclosed a type B aortic dissection. This case report recalls the importance of transesophageal echocardiography in the algorithm for diagnosing aortic dissection in scenarios where CT is not possible., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2023, Flores et al.)

Perioperative autonomic nervous system (ANS) measurements are evolving toward increasing import and utility. We present a three-year-old male with Down Syndrome who underwent ambulatory autonomic monitoring during surgery followed by cardiac magnetic resonance (CMR) imaging. Autonomic data from both environments are compared to age-related norms. We are the first to describe a method for acquiring and trending autonomic data from clinically indicated CMR scans in order to monitor autonomic function. These data are proof of concept for the use of routinely collected CMR data as a surrogate for autonomic data in children, noting differences in the autonomic effects of anesthetic techniques., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2022, Sinton et al.)

Cardiac sarcoidosis is a challenging clinical entity in terms of diagnosis and management. Cardiac involvement is the most common cause of death in patients with sarcoidosis. Recently, there have been new advancements in the imaging modalities that aid in the diagnosis of this condition, including cardiac MRI and PET scan. These tools can help identify and determine the extent of the progression of sarcoidosis, which can have diagnostic and therapeutic implications. In this report, we present the case of a 74-year-old man with no history of sarcoidosis who presented with sustained ventricular tachycardia (VT) and was subsequently found to have findings consistent with burnt-out sarcoidosis on imaging. This case highlights the differences in the management of various stages of cardiac sarcoid involvement to reduce adverse outcomes., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2022, Sallam et al.)

Tachycardia-induced cardiomyopathy (TIC) can result in both systolic and/or diastolic ventricular dysfunction as a result of the prolonged fast heart rate which is reversible upon controlling the fast heart rate or arrhythmia. The exact heart rate that can lead to this is not clear, however, a heart rate > 100 in general needs attention. Tachycardia-induced cardiomyopathy is a well-established cause of left ventricular dysfunction which usually happens due to an increased atrial or ventricular rate. The incidence of TIC is very low although the exact incidence is unclear. It should be considered in all patients with dilated cardiomyopathy or those with no obvious explanation for dilated cardiomyopathy and in presence of tachycardia or atrial fibrillation with a rapid ventricular response. Tachycardia-induced cardiomyopathy has also been labeled as arrhythmia-induced cardiomyopathy lately. We present a case of a 50-year-old patient who presented with a fever of 39 o C, feeling generally unwell, had a sore throat, and collapsed at home after several episodes of vomiting after two days of intense exercise. He was diagnosed with suspected tonsillitis and was treated with co-amoxiclav. He was exercising over 10 hours weekly for the last two months in the gym for the Ironman triathlon in London. An echocardiogram showed severe left ventricular systolic dysfunction (LVSD) with a left ventricular ejection fraction (LVEF) of 25%. An electrocardiogram showed sinus tachycardia with a right bundle branch block (RBBB). Cardiac magnetic resonance imaging (CMR) showed normal biventricular function with an ejection fraction (EF) of 71% four months later. The patient was diagnosed with tachycardia-induced cardiomyopathy. This case is unique as the patient presented with transient severe LVSD after training for the ironman triathlon and spontaneous recovery., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2022, Khan et al.)

Coronavirus disease 2019 (COVID-19) is a viral respiratory disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The respiratory system is the main target of the virus; however, apart from lung disease, a relatively large proportion of patients develop thrombosis as well. We present the case of a 19-year-old male who was admitted after contracting community-acquired right-sided pneumonia. The patient had a history of COVID-19 infection four weeks before admission. The echocardiographic assessment revealed a 16 x 6-mm right ventricular (RV) thrombus. He underwent a cardiovascular magnetic resonance (CMR) study, which confirmed the findings. After ruling out the most common causes of hypercoagulability, COVID-19 was judged to be the cause of the thrombus. The patient was treated with warfarin. Follow-up imaging with echocardiography and CMR six months later revealed complete resolution of the thrombus. Hypercoagulability is a major complication of COVID-19 and in situ thrombosis can occur both in the arterial and venous circulation. The recognition of intracardiac thrombi even in low-risk patients with a history of COVID-19 infection and the immediate initiation of antithrombotic treatment to minimize the risk of embolization is of paramount importance. Advanced imaging techniques are often required to establish the diagnosis of this condition., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2022, Mitsis et al.)

The diagnosis and management of myocardial infarction with nonobstructive coronary arteries (MINOCA) are difficult due to its variable presentations, different causes, and challenging diagnostic approaches. Cardiac imaging modalities including cardiac magnetic resonance (CMR) are very useful tools for diagnosing and managing MINOCA. Myocardial infarction (MI) can be caused by coronary emboli that can be contributed to atrial fibrillation (AF). Rarely, coronary embolism with resultant MINOCA can occur after direct current cardioversion (DCCV) even in fully anticoagulated patients. We present a rare case of a coronary embolism following DCCV as well as a CMR finding of microvascular obstruction (MVO), which has not previously been reported after DCCV. This case also emphasizes the value of obtaining a CMR for patients with MINOCA., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2022, Alkhatib et al.)

Heart failure (HF) is a clinical syndrome resulting from structural cardiac remodeling and altered function that impairs tissue perfusion. This article aimed to highlight the current diagnostic and prognostic value of cardiac magnetic resonance (CMR) in the management of HF and prospective future applications. Reviewed are the physics associated with CMR, its use in ischemic and non-ischemic causes of HF, and its role in quantifying left ventricular ejection fraction. It also emphasized that CMR allows for noninvasive morphologic and functional assessment, tissue characterization, blood flow, and perfusion evaluation in patients with suspected or diagnosed HF. CMR has become a crucial instrument for the diagnosis, prognosis, and therapy planning in patients with HF and cardiomyopathy due to its accuracy in quantifying cardiac volumes and ejection fraction (considered the gold standard) as well as native and post-contrast myocardial tissue characterization., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2022, Elmadi et al.)

Background Cardiovascular complications from COVID-19 include myocarditis, acute myocardial infarction, heart failure, and others. Population-level data is lacking about the relationship between COVID-19 and cardiovascular complications; therefore, we conducted a study to examine the incidence of myocarditis, acute myocardial infarction (AMI), heart failure (HF) after COVID-19 infection. Methods Retrospective cohort study using de-identified data from 50 health systems across the United States. Cohort groups were created using patients ≥18 who were admitted to hospitals for respiratory illness with COVID-19 in 2020 and respiratory illness without COVID-19 for 2020 and 2019. There were 107,699 patients with COVID-19, 77,499 patients with respiratory illness in 2020, and 112,898 patients in 2019. The COVID-19 group was matched to each respiratory illness group by propensity score. Patients with prior specific cardiovascular events such as myocarditis, AMI, HF were excluded. The primary outcome was myocarditis, and secondary outcomes were AMI and HF. Results In the COVID-19 group, 79 (0.12%) patients had new-onset myocarditis compared to 29 (0.04%) patients in the non-COVID-19 control (Pneumonia/flu) group Odd's Ratio (OR), (OR 2.73, CI 95%, 1.78-4.18). In the COVID-19 group, 1512 patients developed HF compared to 2,659 patients in the non-COVID-19 group (OR 0.49, CI 95%, 0.46-0.52). 1125 patients in COVID-19 group had AMI compared to 1243 patients in non-COVID-19 group (OR 0.87, CI 95%, 0.80-0.94). Conclusion COVID-19 was associated with a 2-3-fold higher risk of myocarditis. Unexpectedly, lower rates of HF diagnosis reflect challenges faced due to the severity of lung disease leading to obscuring physical exam findings required for HF diagnosis and early mortality before a diagnosis of HF was made., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2022, Priyadarshni et al.)