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Accelerated idioventricular arrhythmias are distinguished from ventricular rhythms with rates less than 40 (ventricular escape) and those faster than 120 (ventricular tachycardia). [2] Though some other references limit to between 60 and 100 beats per minute. [3] It is also referred to as AIVR and "slow ventricular tachycardia."
Ventricular tachycardia may lead to coma and persistent vegetative state due to lack of blood and oxygen to the brain. Ventricular tachycardia may result in ventricular fibrillation (VF) and turn into cardiac arrest. [2] [3] This conversion of the VT into VF is called the degeneration of the VT. It is found initially in about 7% of people in ...
12 lead electrocardiogram showing a ventricular tachycardia (VT) An electrocardiogram (ECG) is used to classify the type of tachycardia. They may be classified into narrow and wide complex based on the QRS complex. [10] Equal or less than 0.1s for narrow complex. [11] Presented in order of most to least common, they are: [10] Narrow complex
An idioventricular rhythm is a cardiac rhythm characterized by a rate of <50 beats per minute (bpm), absence of conducted P waves and widening of the QRS complex. [1] In cases where the heart rate is between 50 and 110 bpm, it is known as accelerated idioventricular rhythm and ventricular tachycardia if the rate exceeds 120 bpm.
Groups of three premature ventricular beats are called triplets and are considered a brief run of non-sustained ventricular tachycardia (NSVT); if the grouping lasts for more than 30 seconds, it is considered sustained ventricular tachycardia (VT). [14] Accelerated idioventricular rhythm; Monomorphic ventricular tachycardia
The ventricular tachycardia may take a characteristic form known as bidirectional ventricular tachycardia. This form of ventricular tachycardia occurs relatively infrequently, but if seen is suggestive of an underlying diagnosis of CPVT or the related condition Andersen-Tawil syndrome. [8] [9] These ventricular arrhythmias in some cases ...
Permanent junctional reciprocating tachycardia (PJRT) is a rare cardiac arrhythmia. It is a supraventricular tachycardia , and a cause of atrioventricular reentrant tachycardia (AVRT) . PJRT can cause chronic tachycardia that, untreated, leads to cardiomyopathy .
The diagnosis of TIC is made after excluding other causes of cardiomyopathy and observing resolution of the left ventricular systolic dysfunction with treatment of the tachycardia. [1] [5] [6] Specific tests that can be used in the diagnosis and monitoring of TIC include: [citation needed] electrocardiography (EKG)