OnExamination MRCP Part 1 2016:
These OnExamination MRCP Part 1 contains 247 MCQs which are exams based with keys and explanations. So it will cover part of your course and will provide you with Practice to solve MCQs Plus you can read explanations given at the bottom of each question.
First we will share few questions and explanations and then we will share you the complete File where you will be able to Read and Download it. Bellow are the few Questions:
01: A 34-year-old woman is admitted to the Emergency Department following a collapse. An ECG shows a polymorphic ventricular tachycardia. Which one of the following is not associated with an increased risk of developing torsade de pointes?
A. Tricyclic antidepressants
B. Subarachnoid haemorrhage
C. Hypercalcaemia
D. Romano-Ward syndrome
E. Hypothermia
Hypocalcaemia, not hypercalcaemia, causes prolongation of the QT interval and hence may predispose to the development of torsade de pointes
Long QT syndrome
Long QT syndrome (LQTS) is an inherited condition associated with delayed repolarization of the ventricles. It is important to recognise as it may lead to ventricular tachycardia and can therefore cause collapse/sudden death.
The most common variants of LQTS (LQT1 & LQT2) are caused by defects in the alpha subunit of the slow delayed rectifier potassium channel. A normal corrected QT interval is less than 430 ms in males and 450 ms in females.
Causes of a prolonged QT interval:
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