Definition

Noun: 1. A localized deficiency of blood supply to a tissue or organ: A medical condition characterized by an inadequate flow of oxygen-rich blood to a specific part of the body, often due to a blockage or constriction of blood vessels.

Usage

The term "ischemia" is used in medical contexts to describe the state of oxygen deprivation in tissues. It is a critical condition that can lead to tissue damage or cell death if not resolved. It is often specified by the affected body part (e.g., cerebral ischemia, myocardial ischemia).

Examples

• Noun:
  • The patient was diagnosed with myocardial ischemia, indicating reduced blood flow to the heart muscle.
  • Cerebral ischemia can result from a stroke and may cause permanent neurological damage.
  • The surgeon worked quickly to relieve the ischemia in the limb caused by the blocked artery.

Advanced Usage

• "Silent ischemia": A condition where reduced blood flow to the heart occurs without causing noticeable chest pain or other symptoms.
  • Diabetic patients are at higher risk for silent ischemia.
• "Ischemia-reperfusion injury": Tissue damage that occurs when blood supply returns to a tissue after a period of ischemia.
  • The research focuses on minimizing ischemia-reperfusion injury during organ transplants.

Variants and Related Words

• Ischemic (adj): Relating to or affected by ischemia.
  • He suffered an ischemic stroke.
• Ischaemia (n): The British English spelling of "ischemia".

Synonyms

• Local anemia: (Medical) A direct synonym from the reference definition.
• Hypoxia: (Medical) A more general term for oxygen deficiency in tissues, which can be a consequence of ischemia.

Antonyms

• Hyperemia: (Medical) An excess of blood in the vessels supplying a body part.
• Perfusion: (Medical) The adequate flow of blood through an organ or tissue.

Noun

1. local anemia in a given body part sometimes resulting from vasoconstriction or thrombosis or embolism