Ictal asystole

Ictal Asystole is a medical condition characterized by a cessation or significant slowing of the heart rate during a seizure. It is a rare but potentially life-threatening complication of epilepsy.

Definition

Ictal Asystole is defined as a cardiac pause of more than 3 seconds during a seizure, or a decrease in heart rate to less than 30 beats per minute. It is considered a form of ictal bradycardia syndrome, which includes any significant slowing of the heart rate during a seizure.

Causes

The exact cause of ictal asystole is not known, but it is thought to be due to an imbalance in the autonomic nervous system during a seizure. This imbalance can cause a sudden increase in parasympathetic activity, leading to a slowing or stopping of the heart.

Diagnosis

Diagnosis of ictal asystole is often challenging due to its transient nature and the fact that it often occurs during a seizure, when the patient may not be conscious. It is typically diagnosed through a combination of electroencephalogram (EEG) and electrocardiogram (ECG) monitoring.

Treatment

Treatment for ictal asystole typically involves managing the underlying epilepsy. In some cases, a pacemaker may be implanted to regulate the heart rate.

Prognosis

The prognosis for individuals with ictal asystole varies depending on the severity of the condition and the effectiveness of treatment. With appropriate management, many individuals can lead normal lives.

See also

• Epilepsy
• Bradycardia
• Pacemaker

References

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