Blood flow
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Detection of the blood flow direction using heterodyne demodulation for a Doppler ultrasound system and its validation by simulation
... ultrasound blood flow measurement techniques have been widely used for the diagnosis of vascular ...the blood flow direction use signals produced by the homodyne quadrature demodulation ...
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Wearable System for Simultaneous and Noninvasive Detection of ECG and Blood Flow
... of blood flow was performed non-invasively using a tunnel-magnetoresistance (TMR) sensor based on the magnetic signa- ture of the blood over a constant magnetic field from a permanent ...and ...
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Implementation of a heterodyne demodulator for blood flow sense discrimination in a bi-directional ultrasonic Doppler detector
... of blood flow, in particular, in the diagnosis of vascular ...the blood flow and discriminate its ...the blood components, and its frequency spectrum represents the velocity profile of ...
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Acute and subacute effects of resistance training with and without blood flow restriction on muscle thickness and cytokines
... ABSTRACT It was our objective to verify the time course of muscle thickness and cytokine concentration after a resistance training session. In one of the experimental conditions, the training session was performed with ...
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Hemodynamic responses to strength exercise with blood flow restriction during different phases of the menstrual cycle
... Total blood flow restriction was performed using vascular Doppler (MedPeg® DV -2001, Ribeirão Preto, State of São Paulo - SP, Brazil), in which the probe was placed on the radial artery (arms) and on the ...
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Acute effect of aerobic exercise with blood flow restriction on blood pressure and heart rate in healthy young subjects
... ABSTRACT The aim of the present study was to verify the acute effect of the aerobic exercise (AE) with blood flow restriction (BFR) upon systolic (SBP), diastolic blood pressure (DBP) and heart rate ...
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Effect of lactated Ringer’s solution on cardiac output and splanchnic blood flow during hemorrhagic shock in rabbits
... place flow transducers around the aortic root and superior mesenteric ...splanchnic blood flow (splanchnic index) and intestinal to systemic flow ratio (TFIS) were ...splanchnic flow as ...
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Isquemia cerebral: algunas alteraciones secundarias y modelos animales
... permanent flow reduction in the territory of a cerebral artery is invariably incomplete, and arises when blood flow in a supplying artery is reduced or stopped by atheroma, embolism, inflammatory ...
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Fisiopatologa de la lesin cerebral traumtica severa
... Cerebral blood flow autoregulation In the context of severe TBI, all of these events mentioned above induce both cytotoxic and vasogenic edemas, which will lead to a disruption of the intracranial ...
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El endotelio vascular: una serie de repaso I Aspectos bsicos del endotelio vascular
... immune response; and the control of vascular resistance in response to changes in blood flow by regulating arterial tone in resistance arteries. Endothelial function is a clear-cut example of a dialectic ...
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Impaired Cerebral Vasomotor Reactivity in Alzheimer’s Disease
... cerebral blood flow velocities (CBFV) were recorded with transcranial doppler ultrasound before and after the ...cerebral blood flow velocities between the ...cerebral blood flow ...
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Sublingual microcirculatory changes during high volume hemofiltration in hyperdynamic septic shock patients
... culatory flow if autoregulation is altered, or norepi- nephrine could induce a decrease in microcirculatory flow secondary to ...microcirculatory blood flow in septic shock patients during the ...
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Anestesia para la ciruga no cardaca en nios con cardiopatas congnitas
... nary blood flow. With a left to right shunt, blood that has already picked up anesthetic recirculates through the lungs picking up even more anesthetic and causing a higher anes- thetic concentration ...
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Current concepts on the pathophysiology of portal hypertension
... The collateral circulation may carry as much as 90% of the blood entering the portal system. In this circumstance, the vascular resistance of these vessels becomes a major component of the overall resistance to ...
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A model to simulate the oxygen distribution in hypoxic tumors for different vascular architectures
... In addition to the above assumptions, it has to be noted that the oxygen distribution is additionally influenced by the per- fusion of the vessels as well as by the oxygenation saturation of the blood, which both ...
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MiocHibernado
... limited flow reserve and resulted in repetitive instances of myocardial stun- ning, which eventually could not be corrected and led to chronic regional left ventricular dysfunction (hibernating ...
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Caracterización hemodinámica doppler e inflamatoria de las preeclámpticas: análisis del efecto del tratamiento con parches de nitroglicerina
... patches. Blood pressure and maternal and fetal heart rate war monitored at beginning of treatment and every 15 minutes during the first 2 hours and then every 8 ...hours. Blood Flow of uterine, ...
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Variation of peripheral blood BoCD2 + , BoCD4+ , and BoCD8 + lymphocytes, the BoCD4:BoCD8 index and IgG antibodies in bovines infected and rechallenged with isolates of Anaplasma marginale of Mexican Origin
... of blood, showed increases (not significant) with respect to initial values, at days 12 and 34 after primary infection and at days three and 25 after secondary infection (Table ...peripheral blood, their T ...
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Balance autonmico basal y durante el ejercicio isomtrico en jvenes con diferente reactividad cardiovascular
... Heart Rate Variability is defined as the variation among the intervals between heartbeats and is strongly linked to autonomic modulation. The sym- pathovagal balance is dependent on the number of internal and external ...
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