A life threatening arrhythmia is any abnormal heart rhythm that puts a person at risk of sudden cardiac arrest or death. It is caused by a disruption in the normal electrical signaling of the heart, leading to an irregular heartbeat. Common life-threatening arrhythmias include ventricular tachycardia, ventricular fibrillation, atrial fibrillation, and bradycardia.
Ventricular tachycardia (VT) is a rapid and potentially dangerous heart rhythm that originates in the ventricles, the lower chambers of the heart. It can cause the heart to beat too fast and can lead to sudden cardiac arrest or death.
Ventricular fibrillation (VF) is a chaotic, irregular heart rhythm that originates in the ventricles of the heart. It is one of the most serious arrhythmias and can be fatal if not corrected quickly. It can lead to a sudden cardiac arrest and death.
Atrial fibrillation (AF) is an irregular and often rapid heart rate that is usually caused by an electrical problem in the atria, the upper chambers of the heart. It can lead to blood clots, stroke, and heart failure if left untreated.
Bradycardia is a slow heart rate that can cause fatigue, dizziness, and fainting. It can also lead to poor blood flow to the brain, heart, and other organs. It is usually treated with medications or a pacemaker.
Life-threatening arrhythmias can have serious consequences if left untreated, so it is important to promptly seek medical attention if you experience any of the symptoms. Treatment may include lifestyle changes, medications, or even surgery to correct the underlying condition.