breath-hold·ing test

a rough index of cardiopulmonary reserve measured by the length of time that a person who is a study subject can voluntarily stop breathing; normal duration is 30 seconds or longer; diminished cardiac or pulmonary reserve is indicated by a duration of 20 seconds or less.

Farlex Partner Medical Dictionary © Farlex 2012

breath-hold·ing test

(breth-hōld'ing test)

A rough index of cardiopulmonary reserve measured by the length of time that a person can voluntarily stop breathing; normal duration is 30 seconds or longer; diminished cardiac or pulmonary reserve is indicated by a duration of 20 seconds or less.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

References in periodicals archive

C, visually different BOLD signal curves were observed in both left and right lentiform nucleus of the patient P12, who did not comply with the breath-holding test. In A, B and C, the background colors represent the paradigm tasks during the green (normal breathing), yellow (normal breathing in preparation for holding) and red screen (breath holding).

Cerebral vasomotor reactivity assessment using Transcranial Doppler and MRI with apnea test

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