Syncope is caused by a decrease in blood flow to the brain. When blood flow to the brain decreases, oxygen to the brain also decreases. Any of the following conditions may cause syncope:A heart condition, such as a narrow artery or an irregular heartbeat A medical condition such as severe...
Syncope is a condition always caused by an underlying problem. It can be a result of dehydration, low blood pressure, or fast postural changes. It is important to identify the underlying cause to prevent syncope from recurring.Answer and Explanation: ...
Heart problems, stress, environmental situations, neurological problems, migraine, and medications can cause fainting or syncope. Seeing spots before your eyes, paleness, sweating, and feeling lightheaded and shaky are symptoms and signs.
Edema is caused by the capillaries, tiny blood vessels in your body, leaking fluid, which builds up in the surrounding tissues. Mild cases of edema can be caused by sitting in one position too long, perhaps in an airplane; eating too much salt; and pregnancy. Serious causes of edema inc...
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The cough is caused by autonomic dysregulation secondary to loss of parasympathetic innervation, which originates predominantly in the nucleus ambiguous of the medulla oblongata[18]. Cerebellar disorders The neurons in the ventrolateral medulla that create cough and respiratory patterns interact with neural...
Vasovagal syncope is a common cause of dizziness, lightheadedness, and fainting. The vagus nerve is overstimulated and causes the body's blood vessels to dilate and the heart to slow down. This anti-adrenaline effect decreases the ability of the heart to pump blood upward toward the brain. ...
Medically Reviewed byPoonam Sachdevon July 10, 2024 Written byAlyson Powell Key What Is Fainting? Fainting, also called syncope (pronounced SIN-ko-pee), is a sudden, brief loss of consciousness and posture caused by decreased blood flow to the brain.Faintingis a common problem, accounting for...
A tilt table test is a procedure used to find out why you have been fainting or feeling dizzy. Fainting may also be called syncope. You will lie on a table that tilts your body into different positions. The table provides a safe way to test your heart rate and blood pressure when you...
Meclizine is used to treat or prevent nausea, vomiting, and dizziness caused by motion sickness ... Reviews & ratings 7.4 / 10 234 Reviews View more How is dizziness treated? Treatment will depend on the cause of your dizziness. Your healthcare provider may give you oxygen or medicines to ...