Shock palpitations (rapid heartbeat, often accompanied by panic) are tachycardia caused by shock, which can usually be calmed down in a short time without special medication. If panic is obvious, you can take metoprolol tartrate, atenolol tablets, ghrelin, haloperidol mezil and other drugs as prescribed by the doctor. 1. Metoprolol tartrate, atenolol tablets: belonging to the beta-blocker, have the effect of slowing down the heart rate can slow down the tachycardia caused by shock, so as to alleviate the symptoms of cardiac discomfort, the onset of action is relatively fast. 2. Guvidin, haloperidol, melittin: has the effect of regulating the nerve to stabilize the mood, when the mood is stabilized after the sympathetic nervous excitability is reduced, the symptoms of palpitations will be relieved or disappeared, but the effect will be relatively slower. Tachycardia caused by shock is a physiological phenomenon, generally no need to take medication, close observation can be. If the palpitation caused by shock is more serious or accompanied by chest tightness, shortness of breath and other symptoms, it is recommended to go to the hospital in time to avoid delaying the condition, and the use of the above drugs need to follow the doctor’s instructions.