When treating recurrent ventricular tachycardia (VT) with hemodynamic effects, which medication may be considered if beta-blockers, amiodarone, and overdrive stimulation are not effective or…

A 12-year-old boy with catecholaminergic polymorphic ventricular tachycardia (CPVT) presents for a routine follow-up. He is currently maintained on the highest tolerated…

…62-year-old man with heart failure and a reduced left ventricular ejection fraction of 35% presents with highly symptomatic, recurrent focal atrial tachycardia (AT)…

What is the risk associated with rapid and/or sustained ventricular tachycardia (VT), particularly in the setting of left ventricular dysfunction?

…180 bpm. The ECG shows a wide complex tachycardia with continuously changing QRS complex morphology and no clear isoelectric baseline between the QRS complexes. What…

…sinus tachycardia and abnormal Q-waves . Ventricular Rate 126 beats/min Atrial Rate 126 beats/min QRS Duration 90 ms QT Interval 334 ms QT…

…tachycardia. A transthoracic echocardiogram confirms myxomatous alterations of the mitral valve with moderate primary mitral regurgitation and mitral annular disjunction. The patient's left ventricular…

…history of recurrent ventricular arrhythmias and has an active implantable cardioverter-defibrillator (ICD). She is concerned about receiving inappropriate shocks for sinus tachycardia and the…

…ECG shows sinus tachycardia but no acute ST-segment changes. Point-of-care echocardiogram shows normal left ventricular systolic function without regional wall motion abnormalities…

…when she starts feeling nauseous and dizzy. On arrival, she is hypotensive and tachycardic. The patient's ECG is presented below. What is the diagnosis…

In an athlete with ventricular pre-excitation (WPW), what finding on an exercise ECG test denotes a low-risk pathway?