Beta blockers

Question 1

M?

Answer 1

B1 adrenoceptors-heart-reduce force of contraction and speed of conduction in the heart so less work on the heart, improving prognosis in HFIn AF, they prolong the refractory period of the AVN and restore sinus rhythm in SVT
Lower renin secretion in hypertension

Question 2

I?

Answer 2

IHD-first line
CHF-first line
AF-
SVT
HT-fourth line

Question 3

C?

Answer 3

asthma, COPD, HF, haemodynamic instability, heart block, hepatic failure, verapamil or diltiazem

Question 4

A?

Answer 4

fatigue, cold extremities, headache, GI disturbances, sleep disturbance, impotence