Causes of this may include:
- Sinus bradycardia.
- High vagal tone.
- Heart rate control medications, such as beta-adrenergic blockers and calcium channel blockers.
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Jul 22, 2022 · Major causes of atrioventricular (AV) dissociation include high vagal tone, sinus bradycardia, ventricular tachycardia, nonparoxysmal ...
Common arrhythmic causes of AV dissociation include VT and nonparoxysmal AV junctional tachycardia, without retrograde capture of the atria. Ventricular or ...
AV dissociation may be caused by default or usurpation. The cause of default may be sinus bradycardia, sinus arrest, or SA block. The atrial rate becomes slower ...
Jul 22, 2022 · Conditions to consider in the differential diagnosis of AV dissociation are ventricular tachycardia and any supraventricular tachycardia.
Transient AV dissociation is caused by competing atrial, and junctional or ventricular rhythms with similar rates (so-called isorhythmic AV dissociation).
AV dissociation is defined as an independent activation of the atria and ventricles. Atrial activation is triggered by one pacemaker (usually the sinus node and ...
AV dissociation can occur with slowing of the physiological pacemaker as occurs in the setting profound sinus bradycardia with a junctional escape rhythm.
Mar 15, 2016 · Common Causes · Acid-base disturbances · Acute coronary syndrome · Acute rheumatic fever · Antiarrhythmic agents · Beta blockers · Calcium channel ...
AV block will be discussed in detail, because it is the most frequent cause of AV dissociation and its presence has important clinical implications. Figure ...
