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15 Δεκ 2023 · In general, tachycardia may cause these symptoms: Racing, pounding heartbeat or flopping in the chest, called palpitations. Chest pain. Fainting. Lightheadedness. Rapid pulse. Shortness of breath. When to see a doctor. Many things can cause tachycardia. If you feel like your heart is beating too fast, make an appointment for a health checkup.
14 Ιουν 2023 · However, the specific cause of the tachyarrhythmia (if one exists) is often dependent on the type of tachyarrhythmia the patient has. Some general non-cardiac causes of tachyarrhythmias are listed below; aetiologies due to cardiac abnormalities will be discussed further under pathophysiology.
Health Library / Diseases & Conditions / Arrhythmias in Children. Arrhythmia is an irregular heartbeat. In a child with arrhythmia, the heart may beat too quickly, beat too slowly, skip a beat or have extra beats. Most types of irregular heartbeat in children are harmless.
3 Αυγ 2021 · A 14-year-old patient was brought to the emergency room (ER) due to palpitations. Her father had suffered sudden death aged 30 years. She had no toxic habits. When examined 4 months previously due to palpitations, her electrocardiogram (ECG) and echocardiogram were normal.
Tachycardia may result from physiologic processes that alter the sympathetic/parasympathetic tone, resulting in a sinus tachycardia. Alternatively, tachycardia may be the result of an arrhythmia: atrial fibrillation; atrial flutter; supraventricular tachycardia; or ventricular tachycardia.
7 Μαρ 2024 · Causes. Supraventricular tachycardia (SVT) is caused by faulty signaling in the heart. Electrical signals in the heart control the heartbeat. In SVT, a change in heart signaling causes the heartbeat to start too early in the heart's upper chambers. When this happens, the heartbeat speeds up.
Depending on which type of tachycardia you have, you may have harmless symptoms, very dangerous symptoms (from ventricular tachycardia or fibrillation) or something in between. Medicines and other treatments can help you manage your symptoms.
