1. An Unusual Presentation of QT Prolongation
- Author
-
Mohammad K. Mojadidi, Michael Kaufmann, James A. Hill, and Ninel Hovnanians
- Subjects
0301 basic medicine ,Chronic bronchitis ,Time Factors ,Sinus tachycardia ,Cefepime ,030106 microbiology ,Action Potentials ,Hypokalemia ,030204 cardiovascular system & hematology ,QT interval ,2-Pyridinylmethylsulfinylbenzimidazoles ,03 medical and health sciences ,Electrocardiography ,Ventricular Dysfunction, Left ,0302 clinical medicine ,Anti-Infective Agents ,Predictive Value of Tests ,Risk Factors ,Metronidazole ,medicine ,Humans ,cardiovascular diseases ,Pantoprazole ,Metoprolol ,Troponin T ,business.industry ,Arrhythmias, Cardiac ,Proton Pump Inhibitors ,Middle Aged ,medicine.disease ,Anesthesia ,Female ,medicine.symptom ,Cardiology and Cardiovascular Medicine ,Hyponatremia ,business ,medicine.drug ,Focus on ECGs: Case #4 - Abstract
A 55-year-old woman with a history of chronic bronchitis, Clostridium difficile colitis, and alcohol and tobacco abuse was admitted with altered mentation, hyponatremia, and necrotizing right-upper-lobe pneumonia. She was started on cefepime and vancomycin; metronidazole was added for colitis. A resting electrocardiogram (ECG) showed sinus tachycardia with a QS pattern in the precordial leads, normal intervals, and small T-wave inversions in leads V5 and V6. Four days later, significant changes in her baseline telemetry rhythm prompted a repeat 12-lead ECG; the patient's pulse rate was 75 beats/min with a QT interval of 720 ms and QTc of 746 ms (Fig. 1). Her troponin T level was
- Published
- 2016