نتایج جستجو برای: vasodilator agents
تعداد نتایج: 362381 فیلتر نتایج به سال:
The effects of forebrain stimulation on the pulmonary vascular bed were investigated in the intact-chest cat under conditions of controlled blood flow and constant left atrial pressure. When pulmonary vascular tone was raised to a high steady level, direct electrical stimulation of the forebrain elicited a biphasic change in lobar arterial pressure. The response was characterized by an initial ...
SUMMARY We report two patients who developed a prolonged featureless headache, they think after a drink was 'spiked'. We speculate that each was exposed to scopolamine, resulting in enhanced trigeminal release of vasodilator neuropeptides, including Calcitonin Gene-Related Peptide (CGRP), and thus the headache.
To determine if the hemodynamic response to vasodilator therapy can be assessed noninvasively by pulsed Doppler velocimetry, we compared the hemodynamic changes after treatment to changes in Doppler aortic blood flow measurements. The relationship between the absolute values and percent changes of invasively measured systemic vascular resistance (SVR) and stroke volume (SV) and Doppler-measured...
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