The drug that is NOT useful in congestive hea failure

Adrenaline, also known as epinephrine, is a hormone, neurotransmitter, and medication. Adrenaline is normally produced by both the adrenal glands and ceain neurons. It plays an impoant role in the fight-or-flight response by increasing blood flow to muscles, output of the hea, pupil dilation response, and blood sugar level. It does this by binding to alpha and beta receptors. It is found in many animals and some single cell organisms Refer kDT 6/e p493