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and ETH MAHLER, FELIX, MATTHIAS H. MUHEIM, MARCOS INTAGLIETTA, ALFRED BOLLINGER,AND MAX ANLIKER. BZood in human capillaries. Am. J. Physiol. 236(6): H888-H893,1979 or Am. J. Physiol.: Heart Circ. Physiol. 5(6): H888-H893, 1979.-Dynamic blood was measured in 33 human finger capillaries after direct cannulation with glass micropipettes by means of a resistance servonulling measuring method. ECG, finger pulsations, and respiratory thorax excursions were monitored simultaneously. All recordings exhibited pulsatile oscillations related to t.he cardiac rhythm. These oscillations resembled the wave forms of arterial pulsations with steep upstroke and dicrotic notch when the amplitudes were above 10 mmHg. There was no apparent dependence on respiration. In 12 instances, with frequencies ranging from 0.2 down to 0.07 Hz were observed in both the arteriolar and venular limb. Blood in human skin capillaries is pulsatile and subject to remarkable in the arteriolar as well as in the venular limb, systolic values ranging from 14 to 71 mmHg and from 11 to 52 mmHg, respectively. servo-nulling limb; pulse venous occlusion measuring system; arteriolar and venular wave pattern; mean ; of dynamic phenomena in microvessels as described in animal research can be transferred to human physiology. In this paper we present continuous curves from
AJP - Heart and Circulatory Physiology – The American Physiological Society
Published: Jun 1, 1979
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