Missed heartbeat

Introduction A sudden heartbeat in addition to a regular heartbeat is called a premature beat (premature beat), a premature beat can be asymptomatic, or a heart palpitations or a heartbeat pause. Frequent premature beats reduce the amount of cardiac output, which may cause fatigue, dizziness and chest tightness when the blood supply to the brain is insufficient, and may increase the original angina or heart failure. When you measure the pulse by hand, you can find pulse instability, early jump or "leak jump". Premature beats can occur occasionally or frequently. Premature beats can occur in patients of any age.

Cause

Arrhythmia refers to the origin of heart rhythm, heart rate and rhythm, and any abnormality in action conduction. Arrhythmia usually includes rhythm and frequency disorder. In the heartbeat, if the pace of the pace or the action is disturbed, or both of them are disordered, the heart rate may be too fast, too slow, or irregular in the heart rhythm.

Common causes: smoking, alcoholism, overwork, nervousness, agitation, overeating, indigestion, colds and fever, excessive intake of salt, low blood potassium, low blood magnesium.

an examination

Related inspection

Electrocardiogram Doppler echocardiography dynamic electrocardiogram (Holter monitoring)

It can be seen in sinus conduction block, sinus conduction block can be temporarily present, and it can persist or recur. Patients with sinus block are often asymptomatic, but also have mild palpitations, fatigue, and "leakage". Cardiac auscultation can detect arrhythmia, bradycardia, and "leakage" (long interval). If repeated episodes or prolonged blockade, continuous heartbeat leakage, and no escape, there may be dizziness, syncope, coma, A-S syndrome. In addition, there are clinical manifestations of the primary disease.

Differential diagnosis

Differential diagnosis of heart beats:

(1) coronary heart disease: arrhythmia in patients, mostly sinus bradycardia, sinus tachycardia, sinus arrhythmia, sinus conduction block, atrioventricular block, bundle branch block, each Kinds of premature beats (such as atrial premature beats, borderline premature beats, ventricular premature beats), supraventricular tachycardia, ventricular tachycardia, short-term ventricular tachycardia.

(2) rheumatic valvular heart disease: the most common are atrial fibrillation and atrial flutter, atrioventricular block, atrial premature beats, ventricular premature beats, supraventricular tachycardia.

(3) Hypertensive heart disease: often caused by atrial fibrillation, atrial premature beats or premature ventricular contractions, and even short-term ventricular tachycardia due to cardiac hypertrophy and enlarged heart. Ventricular tachycardia often occurs in malignant hypertension.

(4) Congenital heart disease: often due to different types of diseases, arrhythmia manifests in different forms, such as patients with atrial septal defect, often with incomplete or complete right bundle branch block; purpura congenital heart disease, often appear Ventricular premature beats.

(5) mitral valve prolapse: the most common arrhythmia in patients is ventricular premature beats, followed by ventricular tachycardia, supraventricular tachycardia, atrial premature beats and atrial fibrillation, occasionally atrioventricular block, etc. .

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