Syncope means fainting. Since the blood flow to the brain is significantly and temporarily reduced, there is a temporary loss of consciousness and posture (posture), that is, we pass out.
Why Do We Fain?
Because there is a loss of consciousness at the time of fainting, she cannot remember what happened, We fall because of loss of posture. Syncope is a symptom, there must be an underlying cause. Syncope occurs due to cardiac or non-cardiac causes.
What are the causes of cardiac (heart) related syncope?
Cardiac syncope (fainting) develops due to sudden decrease in cardiac output (stroke volume) It is defined as temporary loss of consciousness due to insufficient cerebral blood flow.
Arrhythmias, heart block, low blood pressure, heart valve diseases, cardiac ischemia may be the causes of heart-related syncope. Very fast or slow arrhythmias can cause changes in consciousness from mild dizziness to fainting. It can cause temporary complete heart block, cardiac arrest, severe tachycardias, fainting. There is a sudden loss of consciousness without any preliminary symptoms, and when the rhythm improves, the person immediately returns to normal. There may be loss of consciousness due to effort in stenosis of the main artery aorta or diseases of the heart muscle. indicates a serious condition. In syncope developing with cardiac rhythm disorder, short-term contraction may be observed.
Syncope may also occur in cardiogenic shock. In this case, the patient may leak urine.
Are there also non-cardiac causes of syncope?
Most cases of syncope occur due to non-cardiac causes. This frequently seen type of fainting is called vasovagal syncope. It develops due to sudden and rapid drop in pulse and blood pressure. Often there are stimulant factors in a warm room, such as a heavy meal. There are preliminary symptoms such as nausea, sweating, yawning, and sometimes visual and hearing impairment. After the attack, the patient may be pale, sweaty, and the heart rate is slow.
On the other hand, the hypersensitivity of the receptors in the immediate vicinity of the jugular vein in the neck can also slow the heart rate and cause fainting. It can develop when shaving, when wearing a tight tie, and when the head is turned excessively. A common situation
Most normal patients may experience temporary dizziness due to rapid position change. It is more common in the elderly. Postural hypotension is a common cause of fainting or lightheadedness that occurs when the patient is lying down and usually on sudden rise from a lying or sitting position. The reason for this is often peripheral neuropathy, autonomic dysfunction, fluid loss or drug side effects. coughing fits can lead to syncope.
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