Sentences with phrase «oxygen reaching the heart»

Angina is a condition where not enough oxygen reaches the heart muscle and it is most commonly caused by atherosclerosis (stiffening of the blood vessels).

Not exact matches

It is the narrowing of the arteries of the heart due to the buildup of plaques causing less oxygen to reach portions of the heart.

For example, how is that a sea lion, once they enter the water, that it's heart rate drops, blood vessels constrict, and lungs begins to collapse, whereby blood flows as usual to the heart and brain, but less reaches non-vital organs for swimming, and are now able to draw on oxygen in the muscles and blood?

What people experience as death creeps in — after the heart stops and the brain becomes starved of oxygen — seems to lie beyond the reach of science.

«Within just one day of smoking, almost all of the nicotine is out of your bloodstream, and the level of carbon monoxide in your blood has dropped and more oxygen can reach your heart and muscles,» says general practitioner Dr Ronald McCoy.

The heart becomes weaker when there is not enough oxygen in the bloodstream and this means that less blood is reaching your limbs leading to cold hands and feet.

This reduces blockages in the arteries, allowing essential oxygen and nutrients to reach the heart.

Heart Attacks And Ventricular Arrhythmias Heart attacks are potentially life - threatening events where blood is blocked leading to lack of oxygen and nutrients reaching the rest of your body.

With an increase in breathing and heart rate, there is more oxygen available and aerobic metabolism begins and continues until the lactate threshold is reached.

In cats, syncope can be associated with tachyarrhythmias (rapid heart beat) and infarction (area where there is tissue death due to a lack of oxygen reaching an area of the heart).

On reaching heights above 3000m, shortness of breath and a pounding heart are a normal response to the lack of oxygen in the air.