Beta blockers have been shown to prolong survival in chronic heart failure. It is currently a matter of debate whether any β blocker is superior to the other in terms of improving symptoms ...
Cardioselective beta-blockers act on beta-1 more than beta-2 and thus will not trigger or worsen asthma as much as non-cardioselective beta-blockers. Carvedilol and labetalol are non-selective ...