Arrhythmia is a collective term for tachycardia, bradycardia, or arrhythmia caused by abnormal heart autoregulation or conduction disorders. The arrhythmia is often triggered by mental stress, heavy smoking, alcohol consumption, strong tea, coffee, excessive fatigue, and severe insomnia. Severe arrhythmias can be life-threatening, so here’s how to give first aid in the event of a sudden arrhythmia. Action demonstration: Step 1 Assess the environment first observe whether the environment is safe, if there is a danger, you need to eliminate it in time. Step 2 Check the condition and then ask the patient whether he has a history of heart disease, whether he has palpitations, dyspnea, precordial discomfort and other symptoms. And quickly measure the patient’s heart rate and blood pressure. Call the emergency number immediately after the measurement is completed. Before the ambulance arrives, give first aid as follows Step 3 Continuously administer oxygen to the patient immediately if available. Step 4 Adjust breathing While administering oxygen, you can use adjustment of breathing to relieve symptoms. Have the patient take a deep breath in and hold it, followed by a slow exhalation, and then resume holding the breath, repeatedly. Step 5 Oral medication If patients have their own propafenone hydrochloride tablets or amiodarone, these medications are recommended to be taken under the guidance of medical personnel, not blindly. Special tips: 1. Adjust your mind, don’t worry because you have arrhythmia, as long as early detection and early treatment, arrhythmia is not uncontrollable; 2. Actively treat the original disease and take medication on time according to medical advice; 3. Reasonably arrange rest and activities, patients with arrhythmia should reduce exertion, ensure sufficient sleep and exercise appropriately; only patients with severe arrhythmia and very poor heart function should take long-term Bed rest.