249 Sustained Ventricular Tachycardia

Question 1

Most likely diagnosis of a wide QRS tachycardia in the presence of known structural heart disease (H20 C249 P1757)

Answer 1

Ventricular tachycardia

Question 2

ECG finding that suggests supraventricular tachycardia in a patient with known bundle branch block (H20 C249 P1758)

Answer 2

Same QRS morphology during tachycardia as during sinus rhythm

Question 3

Most likely cause if sustained monomorphic VT when LV function is depressed or there is evidence of structural heart disease (H20 P249 C1758)

Answer 3

Scar-related reentry

Question 4

Drug of choice for VT if heart disease is present (H20 C249 P1758)

Answer 4

Amiodarone

Question 5

First-line therapy for idiopathic VT (H20 C249 P1759)

Answer 5

Beta-adrenergic blockers