Therapy

Consider giving potassium, glucose and insulin in 2nd or 3rd degree heart block if pacing is not available. ^c

Why?

• It reduces death. ^c

An infusion of insulin, glucose and potassium reduces mortality in heart block

Patient	Treatment	Comparison	Outcome	CER	RRR (95% CI)	NNT (95% CI)
2nd or 3rd degree heart block c	potassium, glucose and insulin	placebo	death at 11 to 22 months	63%	82% (-22% to 97%)	2 (1 to 8)