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espanolIntroduccion: La pandemia por coronavirus (COVID-19) es altamente contagiosa. La telemedicina emerge como una opcionpara mantener a nuestros pacientes dentro del sistema sanitario.Objetivo: Implementar consultas por WhatsApp durante 30 dias en un hospital de la Ciudad Autonoma de Buenos Aires(CABA) durante la cuarentena impuesta por COVID-19.Material y metodos: Se analizaron consultas por WhatsApp durante 30 dias consecutivos. Se envio un formulario antes dela consulta telefonica con el especialista. Se realizo un analisis descriptivo de las consultas y los planes propuestos para elseguimiento.Resultados: Se realizaron 263 consultas en 205 pacientes. La cantidad promedio de consultas telefonicas fue de 7,8 mensajes.Las consultas mas frecuentes fueron: palpitaciones (12%) y vacunacion antigripal (11,7%). El seguimiento quedo dividido engrupos: 1) Resueltos via WhatsApp: 154 pacientes; 2) Derivados a un hospital zonal: 25; 3) Derivados a nuestro hospital: 26pacientes.Conclusion: La telemedicina via WhatsApp es factible de ser desarrollada en un hospital publico de la CABA, con una sustancialreduccion de consultas presenciales. EnglishBackground: Coronavirus (COVID-19) pandemic is highly infectious. Telemedicine emerges as an option to keep patients within thehealthcare system.Objective: The aim of this study was to implement WhatsApp consultations during 30 days in a hospital of the City of Buenos Aires(CABA) during the lockdown imposed due to COVID-19.Methods: Consultations via WhatsApp were analyzed for 30 consecutive days. A form was sent prior to telephone consultation withthe specialist. A descriptive analysis of consultations and proposed follow-up plans was carried out.Results: A total of 263 consultations were performed in 205 patients. The average number of telephone consultations was 7.8 messages.The most common topics for consultation were palpitations (12%) and influenza vaccine (11.7%). Follow-up was divided intogroups: 1) Solved via WhatsApp: 154 patients; 2) Referred to a local hospital: 25; 3) Referred to our hospital: 26 patients.Conclusion: Telemedicine via WhatsApp can be developed in public hospitals of CABA, with a substantial reduction of in-personconsultations.

Resumen es: Introduccion: Se conoce que la leucocitosis y la hiperglucemia se correlacionan a corto plazo con peor pronostico en pacientes con sindrome coronario agu...

Objective To date, no systematic work has been intended to describe spatio-temporal patterns of cardiac rhythms using only short series of RR intervals, to facilitate visual or computerized-aided identification of EKG motifs for use in clinical practice. The aim of this study was to detect and classify eye-catching geometric patterns of Poincare time-delay plots from different types of cardiac rhythms and arrhythmias using short-term EKG signals. Methods Approximately 150-300 representative, consecutive beats were retrieved from 24-h Holter registers of 100 patients with different heart rhythms. Two-dimensional Poincare charts were created, and the resulting geometric patterns were transformed into representative familiar eye-catching drawings to interpret different arrhythmias. Results Poincare plot representation of RR interval data revealed a wide variety of visual patterns: (i) comet-shaped for sinus rhythm; (ii) torpedo-shaped for sinus bradycardia; (iii) cigarette-shaped for sinus tachycardia; (iv) butterfly-shaped for sinus tachycardia and isolated atrial premature complexes; (v) arrow-shaped for isolated premature complexes and inappropriate sinus tachycardia; (vi) inverted fan-shaped for sinus rhythm with frequent atrial premature complexes; (vii) tornado-shaped for atrial flutter and atrial tachycardia; and (viii) fan-shaped for atrial fibrillation. Conclusions Modified Poincare plots with smoothed lines connecting successive points could accurately classify different types of arrhythmias based on short RR interval sequence variability. Characteristic emergent patterns can be visually identified and eventually could be distinguished by an automatic classification system able to discern between arrhythmias. This work provides an alternative method to interpret time-delay plots obtained from short-term EKG signal recordings.

Resumen es: Introduccion. La relacion entre los marcadores inflamatorios y los sindromes coronarios agudos se ha estudiado previamente. PACS (Prognosis in Acute Cor...