Regulation of cardiac output in hypoxia

Regulation of cardiac output through stroke volume.

The effect of hypoxia on the regional distribution of cardiac output in the dog.

Twenty-one dogs were studied under conditions of normal oxygenation and hypoxia with the microsphere distribution method to determine the effect of arterial oxygen saturation on the regional distribution of cardiac output. The dogs were anesthetized and artifically ventilated. Cannulas were placed in the left ventricle to administer microspheres and in a peripheral artery to determine cardiac o...

Cardiac Output

of time the influence of matter on life and mind will gradually become obliterated and replaced by the influence of mind and its transcendent successors in the great steps of creative evolution." Therefore, "the remote successors of man may be free and independent of matter with infinite possibilities of future progress notwithstanding the complete dissolution of the universe." Pure thought, th...

Vein of Galen Aneurysmal Malformation and High-output Cardiac Failure in a Newborn

Background: Vein of Galen aneurysm (VGA) is the most common form of symptomatic cerebrovascular malformation in neonates. It develops in a fetus in the first trimester of pregnancy due to unknown reasons, but it is likely to have a genetic etiology. The prognosis of VGA is usually poor, particularly in newborns with heart failure due to high-flow intracerebral shunt. Surgery and endovascular em...

Measurement of cardiac output.

Float catheterisation of the pulmonary artery was described in The Lancet by Dr R D Bradley (as he then was) in 1964 at a time when invasive circulatory monitoring was almost non-existent outside cardiac surgical units, and ‘intensive care’ was a term barely in use. Cardiac catheterisation was laboratory based and required radiological control: management of acute circulatory crises relied on c...