postural hypotension
Definition
- Noun (Medical Term):
- A form of low blood pressure (hypotension) that occurs when a person stands up from a sitting or lying position. It is caused by a temporary failure of the body's autonomic nervous system to adjust blood vessel constriction and heart rate quickly enough to maintain stable blood pressure in the brain.
Usage
- Postural hypotension is a specific medical condition. It is typically used in clinical, medical, or health-related discussions.
- It is often described with verbs like experience, have, suffer from, or cause.
- It is also known as orthostatic hypotension.
Examples
- The doctor diagnosed the patient's dizziness as postural hypotension.
- Elderly individuals are more susceptible to postural hypotension.
- A common symptom of postural hypotension is feeling lightheaded upon standing.
Advanced Usage
- The term is used to describe a symptom or diagnosis, not an action. It is a state or condition.
- It can be modified to describe its severity (e.g., , ).
Variants and Related Words
- Orthostatic Hypotension: The full, more formal synonym for postural hypotension.
- Hypotension: The general term for low blood pressure.
- Orthostasis: The act of standing upright, which is the challenge that triggers the condition.
Synonyms
- Orthostatic hypotension
- Orthostatic intolerance (in a broader sense)
Antonyms / Contrasting Terms
- Hypertension: High blood pressure.
- Normotension: Normal blood pressure.
Notes
- Postural hypotension is a compound noun. The key target concept is the specific condition of low blood pressure upon postural change (standing up).
- It is important for patients to rise slowly to minimize the effects of postural hypotension.
Noun
-
low blood pressure occurring in some people when they stand up
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