venous return
Elevated intra abdominal pressure limits venous return during exercise in Varanus exanthematicus
... (venous return, heart rate, arterial blood pressure) and respiratory systems (minute ventilation, tidal volume, breathing frequency, oxygen consumption, carbon dioxide production) and intra-abdominal ...
10
Volume and its relationship to cardiac output and venous return
... in cardiac output [43]. The increase in cardiac output oc- curs by increases in heart rate, contractility, and peripheral mechanical adaptations that allow more venous return. This is not to say that fluids ...
11
Cardiac preload and venous return in swimming sea bass (Dicentrarchus labrax L )
... (central venous pressure, P CV ), mean circulatory filling pressure (MCFP), dorsal aortic blood pressure (P DA ) and relative cardiac output (Q) were measured in sea bass (Dicentrarchus labrax) at rest and while ...
9
The dynamics of venous return and response to hypervolemia in the toad, Bufo marinus (L.)
... The delicate balance between water loss and uptake in amphibians makes an understanding of venous return from this region even more significant. Terrestrial am- phibians show a behavior known as the water ...
6
Intrathoracic Schwannoma with Venous Return to Vena Azygos: A Case Report
... When a thoracic computed tomography angiogram for schwannoma was taken, it can be seen that its vascular structure comes from very different regions, and aberrant formations of those vascular structures can be observed ...
5
Using ultrasound to understand vascular and mantle contributions to venous return in the cephalopod Sepia officinalis L
... The anterior vena cava contracts at a different rate than the branch point. Consequently, contractions of the branch point could occasionally push blood back towards the anterior vena cava. We discovered a valve that ...
12
Terrestrial locomotion does not constrain venous return in the American alligator, Alligator mississippiensis
... central venous pressure, venous return) and respiratory (minute ventilation, tidal volume, breathing frequency, rate of oxygen consumption, rate of carbon dioxide production) systems and on ...
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Effects of passive leg raising and volume expansion on mean systemic pressure and venous return in shock in humans
... the venous return curve is the relationship between right atrial pressure (abscissa) and venous return ...the venous return through CI [7]. Venous return curves ...
9
Complicated Evolution of Superior Vena Cava Syndrome Post Cardiac Surgery
... in venous backflow to the right ...pulmonary venous return (PAPVC), was undergone to surgery, in the postoperative course showed a superior vena cava syndrome ...
5
Cor triatriatum sinister: two cases diagnosed in adulthood and a review of literature
... pulmonary venous return ...pulmonary venous return can present as right-sided or left-sided anomalous pulmonary venous return [10, ...pulmonary venous return, ...
5
Imaging Findings Related to the Valsalva Maneuver in Head and Neck Radiology
... T he Valsalva maneuver, defined as forceful exhalation against a closed glottis, has multiple physiologic effects. The ma- neuver can be divided into 4 major phases of physiologic response: First, the initial exhalation ...
7
Regional Chemotherapy in Locally Advanced Pancreatic Cancer: RECLAP Trial
... catheters, venous return catheters and an extra-corporeal circuit; MTD: maximum tolerated dose - the highest dose that induces dose limiting toxicity in no more than 1 patient among a cohort of 6 patients; ...
8
The caval sphincter in cetaceans and its predicted role in controlling venous flow during a dive
... increase venous return, yet sphincters are reported incompetent or absent in some cetacean ...moderate venous return and protect the heart while fluking, and use their sphincters only during ...
14
Pseudoaneurysm of the mitral–aortic intervalvular fibrosa presenting after chest trauma and diagnosed by cardiac magnetic resonance: a case report
... Case presentation: We report the case of a 15-year-old African-American boy with a history of mild chest trauma who underwent echocardiographic evaluation as part of an out-patient work up. The echocardiogram was ...
5
Anaesthesia for patients with pericardial disease
... decreased venous return (preload) to the right heart with induction of anaesthesia plus the increased right ventricular afterload effects of positive pressure ventilation and PEEP can severely compromise ...
12
Microsurgical treatment of parafalcine meningiomas: a retrospective study of 126 cases
... the venous return and reduction of intracranial pressure; 3) before the dura mater is cut open, a fast intravenous drip of 250 mL of 20% man- nitol should be administered, if the intracranial pressure has ...
7
Hepatic angiomyolipoma with special attention to radiologic imaging
... To obtain correct diagnosis of hepatic AML, evaluation of fat component with chemical shift imaging in MRI and early venous return in CT angiography is quite beneficial. Furthermore, in the era of ...
6
Structural Brain Changes following Long Term 6° Head Down Tilt Bed Rest as an Analog for Spaceflight
... alters venous outflow, with redirection of venous return from the vertebral venous plexuses to the internal jugular veins; decreases intracranial compliance; and increases intracranial ...
7
Starling curves and central venous pressure
... As we have seen, the Starling curves that describe the Law of the Heart do not justify intentionally raising CVP with fluid resuscitation to abnormal values to increase cardiac output. However, the fact that an isolated ...
8
Residents learning ultrasound guided catheterization are not sufficiently skilled to use landmarks
... Eight residents, all in their fourth or fifth year of medical residency, were included in this study. Each resident per- formed an average of 11 ± 2 procedures according to the UG technique during the first 3 months and ...
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