Beta-blocker should be used with
caution in patient of -
a) Hypertension
b) Glaucoma
c) Conduction defect
d) CHF
Correct Answer - C
Ans. C. Conduction defect
Partial and complete heart block
Beta 1 receptors increase conduction in AV node.
Beta blockers decrease conduction by reducing sympathetic drive
on beta 1 receptors - Worsening of block.