Prolongation of action potential duration in hypokalemia is due to inhibition of the outward potassium current. IKr, the rapid component of the delayed rectifier potassium current, is markedly
ECG showing right ventricular apical pacing in VVI mode with very wide QRS due left ventricular myocardial damage and associated coarse atrial fibrillation.
DAPT study has shown that extended (30 months) dual antiplatelet therapy after drug eluting stents can reduce myocardial infarction and stent thrombosis at a cost of higher bleeding
Many physicians used to give supplemental oxygen in patients presenting with acute myocardial infarction to the emergency department. The AVOID study has questioned this conventional wisdom of using
Most common cardiac anomaly in Ellis-van Creveld syndrome:
a) Ventricular septal defect
b) Patent ductus arteriosus
c) Single atrium
d) Single ventricle