Metoprolol tartrate 5mg; soln for IV inj. Metoprolol tartrate has a preferential effect on β1 adrenoreceptors, chiefly located in cardiac muscle. The mechanism of the antihypertensive effects of ...

Study Confirms Use of Metoprolol Beneficial in Heart Attack Patients A new study has confirmed that treating heart attack patients with a drug called metoprolol leads to smaller amounts of dead ...