Results 151 to 160 of about 106,032 (287)

Effects of high‐intensity interval training on cardiac function in hypertensive and normotensive men: Effects of antihypertensive treatment

open access: yesExperimental Physiology, EarlyView.
Abstract Exercise training is recommended for individuals with hypertension because it has been shown to lower blood pressure and reverse left ventricular concentric remodelling and mass. However, it is unclear how hypertensive individuals respond in comparison to normotensive individuals and to what extent medical treatment affects the outcome of ...
Mads Fischer   +8 more
wiley   +1 more source

Trans-esophageal echocardiography for tricuspid and pulmonary valves

open access: yesAnnals of Cardiac Anaesthesia, 2009
Transesophageal echocardiography has been shown to provide unique information about cardiac anatomy, function, hemodynamics and blood flow and is relatively easy to perform with a low risk of complications.
Prabhu Mahesh
doaj  

Doppler Echocardiography [PDF]

open access: yesEuropean Heart Journal, 1994
openaire   +1 more source

Cerebrovascular regulation during heat stress

open access: yesExperimental Physiology, EarlyView.
Abstract Given that the brain is a highly metabolic organ and is enclosed by the skull, effective regulation of cerebral blood flow (CBF), not only for oxygen and nutrients supply but also as a means of convective heat exchange, is critical for preventing excessive elevations in brain temperature.
Kanoko Ito, Manabu Shibasaki
wiley   +1 more source

Method of checking the function of implanted artificial valve by pulsed Doppler echocardiography – in vitro study

open access: yesArchives of Acoustics, 2015
The usefulness of pulsed Doppler echocardiography for verifying the function of implanted Bjork-Shiley tilting disc valve prosthesis was checked experimentally in vitro. The valve was built into a physical model of central blood circulation.
Antonín GROŠPIC   +3 more
doaj  

Pulmonary arterial mechanoreceptors mediate sustained sympathoexcitation during high altitude hypoxia in humans

open access: yesExperimental Physiology, EarlyView.
Abstract Sympathetic nervous system activation is a hallmark of high‐altitude hypoxia, yet the afferent mechanisms remain incompletely defined. We examined the relative contributions of pulmonary arterial mechanoreceptors and carotid chemoreceptors – two excitatory pathways co‐activated by hypoxia – to sustained sympathoexcitation at altitude.
Michiel T. Ewalts   +13 more
wiley   +1 more source

Prediabetic cardiomyopathy is attenuated by hypothalamic PVN oxytocin neuron activation

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend A long‐term high‐fat, high‐fructose diet induces prediabetes with insulin resistance, hyperinsulinaemia, elevated triglycerides and metabolic‐associated steatotic liver disease (MASLD) in male rats. Animals developed prediabetic cardiomyopathy characterized by diastolic dysfunction, interstitial fibrosis and tachycardia ...
Anna Nilsson   +7 more
wiley   +1 more source

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