Syncope

Definition

Syncope is a temporary loss of consciousness usually caused by a drop in blood pressure, which reduces blood flow to the brain. It is often referred to as fainting or passing out and can be related to various underlying health issues, including cardiovascular problems and nutritional deficiencies.

5 Must Know Facts For Your Next Test

1. Syncope can be triggered by dehydration, which reduces blood volume and lowers blood pressure.
2. Nutrient deficiencies, particularly in iron and B vitamins, can increase the risk of syncope.
3. Cardiovascular diseases like arrhythmias or heart valve disorders are common causes of syncope.
4. Maintaining adequate electrolyte balance through proper nutrition helps prevent syncope.
5. Syncope episodes should be evaluated medically to rule out serious cardiovascular conditions.

Review Questions

• What are common nutritional triggers for syncope?
• How does dehydration contribute to syncope?
• Why is it important to assess syncope episodes for underlying cardiovascular issues?

Related terms

Dehydration:

A condition resulting from excessive loss of body water, leading to reduced blood volume and potential syncope.

Electrolyte Imbalance: A disruption in the levels of minerals in the body that are essential for maintaining fluid balance and normal heart function.

Arrhythmia: An irregular heartbeat that can disrupt normal blood flow and potentially lead to syncope.