Effect of ventilation on systemic blood flow evaluated by echodopplercardiography

Autor:	M. Rigatto, A.F.F. Pinotti
Jazyk:	angličtina
Rok vydání:	1997
Předmět:	ventilation and circulation apnea and systemic blood flow tachypnea and systemic blood flow cardiac output Medicine (General) R5-920 Biology (General) QH301-705.5
Zdroj:	Brazilian Journal of Medical and Biological Research, Vol 30, Iss 5, p 689 (1997)
Druh dokumentu:	article
ISSN:	0100-879X 1414-431X
DOI:	10.1590/S0100-879X1997000500019
Popis:	Systemic blood flow (Q) was measured by echodopplercardiography in 5 normal young adult males during apnea, eupnea and tachypnea. Measurements were made in a recumbent posture at 3-min intervals. Tachypnea was attained by doubling the respiratory frequency at eupnea at a constant tidal volume. An open glottis was maintained during apnea at the resting respiratory level. The Q values were positively correlated with the respiratory frequency, decreasing from eupnea to apnea and increasing from eupnea to tachypnea (P
Databáze:	Directory of Open Access Journals
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