Library / English Dictionary

ISCHEMIA

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Local anemia in a given body part sometimes resulting from vasoconstriction or thrombosis or embolism

Synonyms:

ischaemia; ischemia

Classified under:

Nouns denoting stable states of affairs

Hypernyms ("ischemia" is a kind of...):

anaemia; anemia (a deficiency of red blood cells)

Hyponyms (each of the following is a kind of "ischemia"):

ischaemic stroke; ischemic stroke (the most common kind of stroke; caused by an interruption in the flow of blood to the brain (as from a clot blocking a blood vessel))

TIA; transient ischemic attack (brief episode in which the brain gets insufficient blood supply; symptoms depend on the site of the blockage)

Derivation:

ischemic (relating to or affected by ischemia)

Credits

 Context examples: 

This injury model, known as ischemia reperfusion, is similar to what occurs during organ transplantation, stroke, or heart attack in humans.

(Pathways Underlying the Benefits of Calorie Restriction, NIH)

In animal studies oxfenicine acts as a cardioprotective agent during ischemia.

(Oxfenicine, NCI Thesaurus)

Acquired causes include ischemia, optic nerve neuropathy, glaucoma, trauma, radiation, brain tumors, and multiple sclerosis.

(Optic Atrophy, NCI Thesaurus)

Endothelial cells also produce reactive oxygen species inside the cell that can contribute to oxidative stress and apoptosis, such as during reperfusion injury following ischemia.

(Free Radical Induced Apoptosis Pathway, NCI Thesaurus/BIOCARTA)

Transient loss of vision in one eye due to retinal ischemia.

(Amaurosis Fugax, NCI Thesaurus)

Reactive astrocytic proliferation associated with fibrous tissue formation, secondary to damage (trauma or ischemia) to the central nervous system.

(Gliosis, NCI Thesaurus)

Relatively common etiologies include infections; AUTOIMMUNE DISEASES; SPINAL CORD; and ischemia (see also SPINAL CORD VASCULAR DISEASES).

(Myelitis, NLM, Medical Subject Headings)

An electrocardiographic finding of changes in the ST segment and T wave that do not meet criteria for ischemia or infarction.

(Non-Specific ST-T Changes by ECG Finding, NCI Thesaurus)

Drugs intended to prevent damage to the brain or spinal cord from ischemia, stroke, convulsions, or trauma.

(Neuroprotective Agent, NLM, Medical Subject Headings)

Kochs and colleagues reported that flumazenil might be beneficial in protecting against cerebral ischemia.

(Flumazenil Cardioprotection Pathway, NCI Thesaurus/BIOCARTA)