A 60 year old lady has severe chest pain. ECG shows changes of inferior wall MI. ECG also shows
progressive prolongation of PR interval until a QRS complex is dropped. What is the most
probable diagnosis?
- a. Atrial fibrillation
- b. VT
- c. SVT
- d. Mobitz type I 2nd degree heart block
- e. Mobitz type II 2nd degree heart block
0 voters
Ans. The key is D. Mobitz type I 2nd degree heart block. [Inferior MI is frequently associated with
conduction defect].
A 56 year old man was recently put on anti-hypertensive medications and recent biochemistry
on 2 occasions showed: Na+ 132, K+ 7.6, Urea 11.3, Creatinine 112. Which of the following drugs
is responsible for this result?
- a. Amlodipine
- b. Bendroflumethiazide
- c. Doxazosin
- d. Atenolol
- e. Ramipril
0 voters
Ans. The key is E. Ramipril. [ACEI and ARB are known to raise the serum potassium level].