In Cardiac Arrest Adrenaline?

Adrenaline has been used in the treatment of cardiac arrest for many years. It increases the likelihood of return of spontaneous circulation

(ROSC), but some studies have shown that it impairs cerebral microcirculatory flow. It is possible that better short-term survival comes at the cost of worse long-term outcomes.

How much adrenaline is used in cardiac arrest?

In cardiac arrest following cardiac surgery, Adrenaline should be administered intravenously in doses of 0.5 ml or 1 ml of 1:10,000 solution (50 or 100 micrograms) very cautiously and titrated to effect. Titrate using intravenous boluses of 0.5 ml 1:10,000 solution (0.05 mg) according to response.

Why is adrenaline given in cardiac arrest?

The application of adrenaline is one of the last things tried in attempts to treat cardiac arrest. It increases blood flow to the heart and increases the chance of restoring a heartbeat. However it also reduces blood flow in very small blood vessels in the brain, which may worsen brain damage.