DM / DNB Cardiology Entrance Mock Test 21

DM / DNB Cardiology Entrance Mock Test 21

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Question 1Regarding concealed AV (atrioventricular) bypass tract, true statement is:AAll of the aboveBRetrograde VA conduction does not occurCVentricular fibrillation will not occur if atrial fibrillation develops
DDoes not participate in AVRT (atrioventricular reentrant tachycardia)
ENone of the aboveQuestion 1 Explanation:  In concealed AV bypass tract, it is the anterograde conduction which is absent, making it obscure in sinus rhythm. Retrograde conduction causes AVRT. It is well known that accessory pathway refractory period decreases when the rate increases as in atrial fibrillation and anterograde conduction may occur.
Question 2According to BMI (body mass index), the cutoff for obesity is...

Source: Cardiophile MD - March 8, 2016 Category: Cardiology Authors: Prof. Dr. Johnson Francis, MD, DM, FACC, FRCP Edin, FRCP London Tags: Cardiology MCQ DM / DNB Cardiology Entrance Featured Source Type: blogs