Hypotension

Definition

Hypotension is a condition characterized by abnormally low blood pressure, generally below 90/60 mmHg. It can lead to symptoms such as dizziness, fainting, and in severe cases, shock.

5 Must Know Facts For Your Next Test

1. Hypotension can be caused by dehydration, heart problems, endocrine disorders, or certain medications including antihypertensive drugs.
2. Orthostatic hypotension is a form of low blood pressure that happens when standing up from sitting or lying down.
3. Treatment for hypotension may include increasing fluid intake, wearing compression stockings, or adjusting current medications.
4. Beta-blockers and calcium channel blockers are types of antihypertensive drugs that can potentially cause hypotension as a side effect.
5. Symptoms of severe hypotension may include confusion, cold and clammy skin, rapid shallow breathing, and weak pulse.

Review Questions

• What are some common causes of hypotension?
• How can orthostatic hypotension be defined?
• Name two classes of antihypertensive drugs that might induce hypotension.

Related terms

Hypertension:

A condition where the blood pressure in the arteries is consistently too high.

Angina:

Chest pain caused by reduced blood flow to the heart muscles.

Orthostatic Hypotension:

A form of low blood pressure that occurs upon standing up from a sitting or lying position.