Category: Cardiology MCQ

QT interval is not increased with: a) Acidosis b) Hyperkalemia c) Hypercalcemia d) Digoxin e) All of the above f) None of the above

Poor R wave progression in chest leads is seen with: a) AWMI b) RBBB c) RVH d) RV infarction

Least useful for diagnosis of reinfarction after a recent myocardial infarction: a) CPK b) CPK-MB c) Troponin T d) Myoglobin

Atrial rate always equal to ventricular rate in:</strong> a) AVRT b) Atrial tachycardia c) Bundle branch re-entry d) Atrial flutter with bypass tract

Regarding concealed AV bypass tract, true statement: a) VA conduction does not occur b) Does not participate in AVRT c) VF will not occur if AF develops d) None of the above e)

Event farthest from the QRS is: a) Z point of atrial pressure tracing b) Onset of rise of aortic pressure c) Onset of isovolumetric contraction d) Closure of mitral valve

Step down of PA saturation in PDA is seen in: a) Eisenmenger PDA b) TOF with PDA c) TGA with PDA d) TAPVC with PDA e) AP window

ECG in myocarditis may show all except: a) LBBB b) Increase in QRS voltage c) Ventricular tachycardia d) Ventricular fibrillation

Cardiotoxic effect of hyperkalemia increased by: a) Hypernatremia b) Hypercalcemia c) Hypocalcemia d) Alkalosis

Native valve endocarditis (NVE) least amenable to treatment: a) Fungi b) Aerobic gram negative bacteria c) Staphylococcus aureus d) Enterococci