Multiprofessional Critical Care Review: Adult 2024 (MCCRCA24ON)-19

19_Ventricular Arrhythmias

Pdf Summary

The document discusses the analysis and therapy of ventricular arrhythmias, focusing on topics such as the epidemiology, morphologic characteristics of different types of arrhythmias, causes, and acute therapy options. It emphasizes the importance of promptly determining the urgency and underlying cause of ventricular arrhythmias in patients. The presentation includes a case study of a 52-year-old man with multiple comorbidities presenting with pneumonia and acute respiratory distress syndrome, showcasing the clinical aspects and diagnostic approach. The document introduces the concept of "Scan and Zoom" criteria to differentiate between ventricular tachycardia (VT) and supraventricular tachycardia (SVT) with wide QRS complexes, detailing specific electrocardiogram characteristics. Various scenarios and ECG examples are presented to illustrate the application of these criteria, with a special focus on drugs, electrolyte imbalances, and other factors that can affect the interpretation of wide-complex tachycardias. Pharmacologic therapies such as amiodarone, lidocaine, and procainamide are discussed for managing hemodynamically unstable patients with ventricular arrhythmias. The summary emphasizes the importance of promptly identifying and treating ventricular arrhythmias, utilizing specific criteria, and considering potential underlying causes to guide appropriate therapy decisions.

Keywords

ventricular arrhythmias

epidemiology

morphologic characteristics

acute therapy

Scan and Zoom criteria

ventricular tachycardia

supraventricular tachycardia

electrocardiogram

pharmacologic therapies

hemodynamically unstable

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