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LGL syndrome was originally thought to be due to an abnormal electrical connection between the atria and the ventricles, but is now thought to be due to accelerated conduction through the atrioventricular node in the majority of cases. [1] The syndrome is named after Bernard Lown, William Francis Ganong, Jr., and Samuel A. Levine. [2] [3]
A short PR interval (of less than 120ms) may be associated with a Pre-excitation syndromes such as Wolff–Parkinson–White syndrome or Lown–Ganong–Levine syndrome, and also junctional arrhythmia like atrioventricular reentrant tachycardia or junctional rhythm. A variable PR interval may indicate other types of heart block. [citation needed]
The diagnosis of WPW occurs with a combination of palpitations and when an electrocardiogram (ECG) show a short PR interval and a delta wave. [3] It is a type of pre-excitation syndrome. [3] WPW syndrome may be monitored or treated with either medications or an ablation (destroying the tissues) such as with radiofrequency catheter ablation. [4]
The presence of a short PR interval and a delta wave (Wolff-Parkinson-White syndrome) is an indication of the existence of ventricular pre-excitation. [1] Significant left ventricular hypertrophy with deep septal Q waves in I, L, and V4 through V6 may indicate hypertrophic obstructive cardiomyopathy. [1]
If an arrhythmia results in a heartbeat that is too fast, too slow, or too weak to supply the body's needs, this manifests as lower blood pressure and may cause lightheadedness, dizziness, syncope, loss of consciousness, coma, persistent vegetative state, or brain death due to insufficient supply of blood and oxygen to the brain. [20]
Called multi-system inflammatory syndrome (MIS), this rare condition sets off severe inflammation in different parts of the body and can lead to critical health problems, long-term complications ...
Acute myocardial infarction, carotid sinus syndrome, eating disorders (such as anorexia nervosa), rhodotoxin poisoning, hypothermia, hypothyroidism, infections (such as diphtheria, acute rheumatic fever, or viral myocarditis), intrinsic disease of the SA node (such as sick sinus syndrome), Roemheld syndrome, sleep apnea; Physiological causes:
Max “rapidly declined and went into full-body paralysis,” wrote Chelsea in an Aug. 2 post. The 3-year-old spent several days on a ventilator to support his lung function.