COVID-19 Ontology

Last uploaded: February 25, 2021
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Preferred Name

Abnormal prothrombin time
Synonyms

Abnormal PT
Definitions

Any deviation from the normal amount of time to coagulation in the prothrombin time test, which is a measure of the extrinsic pathway of coagulation. The results of the prothrombin time test are often expressed in terms of the International normalized ratio (INR), which is calculated as a ratio of the patient's prothrombin time (PT) to a control PT standardized for the potency of the thromboplastin reagent developed by the World Health Organization (WHO) using the formula: INR is equal to Patient PT divided by Control PT.
ID

http://purl.obolibrary.org/obo/HP_0032199
alternative_term

Abnormal PT
created_by

peter
date

2019-01-19T15:34:30Z
imported from

http://purl.obolibrary.org/obo/hp.owl
label

Abnormal prothrombin time
prefixIRI

HP:0032199
prefLabel

Abnormal prothrombin time
textual definition

Any deviation from the normal amount of time to coagulation in the prothrombin time test, which is a measure of the extrinsic pathway of coagulation. The results of the prothrombin time test are often expressed in terms of the International normalized ratio (INR), which is calculated as a ratio of the patient's prothrombin time (PT) to a control PT standardized for the potency of the thromboplastin reagent developed by the World Health Organization (WHO) using the formula: INR is equal to Patient PT divided by Control PT.
subClassOf

http://purl.obolibrary.org/obo/HP_0012200
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