Sentences with phrase «ventricle pumps»

The ejection fraction measures how efficiently the left ventricle pumps the blood.

The seal is now imperfect and when the ventricle pumps, some of the blood flows backwards into the atrium.

The left ventricle is responsible for pumping oxygen - rich blood from the lungs out through the aorta into the body, while the right ventricle pumps the blood through the pulmonary artery to the lungs for oxygen.

The left ventricle pumps the oxygenated blood out to the body.

Normally, the heart's right ventricle pumps blood to the lungs and the left ventricle pumps oxygenated blood throughout the body.

Pulse rate is an indication of your heart rate as your arteries expand each time the ventricles pump blood out of the heart.

Not exact matches

Lotulelei's left ventricle is pumping at 44 percent efficiency — normal range is 55 - 70 percent.

Why It Works: Results in a larger left ventricle of the heart capable of pumping out more blood per beat.

According to his theory, the brain controlled our body's activities by pumping fluid from the ventricles through the nerves to other organs.

The heart pumps blood by contracting, and if this one - way valve was not present then when the heart relaxes then most of the blood it just pumped from the ventricle would leak back in, making the heart very inefficient.

The medical community has long debated the ideal treatment for AF, especially for patients who suffer from left ventricular dysfunction, a weakening of the left ventricle that supplies most of the heart's pumping power.

The findings could have an impact on the tests and measurements that physicians rely on to diagnose and treat two heart conditions: hypertrophic cardiomyopathy, in which the heart muscle becomes abnormally thick, and non-ischemic dilated cardiomyopathy, in which the heart's ability to pump blood decreases as the organ's main pumping chamber, the left ventricle, is enlarged and its muscle thinned.

The guidelines provide parameters regarding when clinicians should consider the possibility of ventriculitis (inflammation of the ventricles in the brain) or meningitis (inflammation of the lining of the brain or spinal cord) in patients who have cerebrospinal fluid shunts and drains (devices placed in the brain to relieve pressure due to fluid buildup), intrathecal drug pumps (for administration of pain medicine or other drugs into the spinal canal), deep brain stimulation hardware (medical devices that provide electrostimulation in the brain to treat Parkinson's disease or other neurological symptoms) or who have undergone neurosurgery or suffered from head trauma.

Iron deficiency is present in approximately 50 percent of patients with heart failure with reduced left ventricular ejection fraction (HFrEF; ejection fraction: a measure of how well the left ventricle of the heart pumps with each contraction) and is associated with reduced functional capacity, poorer quality of life, and increased mortality.

Although the primary endpoint was not met, a statistically significant 4 percent improvement was seen in a secondary endpoint, left ventricular ejection fraction — a measure of how much blood is being pumped out of the left ventricle — in patients whose STEMIs involved the front wall of the left ventricle (the heart's main pumping chamber), he said.

Results from two previous trials had suggested that giving intravenous beta blockers to STEMI patients before they underwent angioplasty could reduce heart attack severity or improve blood flow from the left ventricle, the heart's main pumping chamber, but these trials had shortcomings, Roolvink said.

In children with single ventricle defects, only one of these pumps is functioning.

The percutaneous heart pump (PHP) developed at Penn State, shown here with a model of the left ventricle of a human heart, can keep a patient's blood flowing smoothly after a heart attack.

EF, the amount of blood pumped out of the ventricles with each contraction, can be an early indicator of heart failure if the score is 35 percent or below.

In the 14 - 18 year olds who consumed the least vitamin K1, the study found the overall size and wall thickness of the left ventricle were already significantly greater and the amount of blood the heart pumped out significantly lower, Pollock says.

Specifically, using new heart - specific genes, they were able to follow in detail the cell movements that lead to the formation of the heart, as well as its divisions into two chambers, the atrium (the chamber that receives blood and passes it to the ventricles) and the ventricle (the pumping chamber).

For instance, as you know, you have an atrium, which is the top part of the heart that collects the blood, and then the ventricle, which will pump it through to your circulation, and we don't know directly whether these cells represent the atrial type of heart cell or the ventricular type of heart cell.

For example, cells in the left ventricle, the chamber of the heart that pumps blood to the body, are destined to serve that purpose within the first few days of development in an embryo.

This disorder causes the walls of the left ventricle to thin and weaken so that the heart can't pump blood as well as a healthy heart.

The left ventricle of your heart controls the ease at which you pump blood throughout your body.

The systolic pressure, which is the first number shown, the 120 in the chart below, is the pressure reading as the heart pumps blood out from the ventricle into the veins.

It is the heart of an Audi RS5 that has been reorganized to create ventricles, valves, pumps and an aorta.

The walls can even get so thick that the ventricle chamber is greatly reduced in size, and therefore only a small amount of blood can be pumped with each contraction.

This results in a reduced volume within the ventricles (major chambers of the heart), so reducing the volume of blood that the heart can pump with each contraction.

Thickened heart walls leave less space inside the ventricle (s) for blood to accumulate so less blood will be pumped with the next beat.

Each right and left pump works in two stages; a top stage (atrium), and a bottom stage (ventricle).

Because the heartworms block this blood flow, the right ventricle becomes congested with blood waiting to be pumped.

Over time, the muscle of one of the major heart chambers (the left ventricle) becomes thickened, as the heart has to work harder to pump the blood when there is high blood pressure.

The atrium contracts, pushing blood into the ventricle, which is the pump.

In this condition, the walls of the left ventricle — the heart chamber responsible for pumping blood out through the aorta — become progressively thicker.

The degenerative changes in the valves and the structures that support the valves stops them from forming a tight seal between the atrium and ventricle when the heart is squeezing or pumping.

From the ventricles, blood is pumped out into the lungs through the pulmonary artery (on the right) or out to the body through the aorta (on the left) through a second series of one - way valves (the pulmonic valve on the right and the aortic valve on the left).

As the mitral valve degenerates, the valve no longer fully closes after each pumping action, allowing some blood to flow backwards through them from the ventricle back into the atrium.

It is stored there briefly as it is pumped on into the right ventricle.

The left ventricle contains the largest muscle of the heart so it can pump blood out through the arteries to all parts of the body.

In a normal heartbeat the atria (upper or filling chambers of the heart) contract and send a signal to the ventricles (lower or pumping chambers of the heart) to contract.

If the worm infection is a heavy one (over 25 worms for a 40 lb dog), the worms begin to back up into the right ventricle (the chamber that pumps blood through the lung).

So we have one pump made up of the right atrium and right ventricle and one made up of the left atrium and left ventricle.

Blood in the left atrium passes through the mitral valve to reach the left ventricle, which then pumps the blood through the aortic valve out to the rest of the body.

The blood then passes through the tricuspid valve into the right ventricle which pumps the blood through the pulmonic valve into the lungs to pick up oxygen (among other things).

When the ventricle is unable to pump blood to the body, fluid goes from the heart backwards into the lungs (instead of from the heart forward to the body).

Dilated cardiomyopathy is a disease of the pumping chamber (ventricle) of the heart where the muscle becomes weakened and the contraction of the heart is decreased.

It occurs most commonly in the left atrium, where oxygen - rich blood from the lungs returns to the heart and is passed to the left ventricle, where it is pumped out to the body.

The left ventricle is the chamber of the heart which pumps blood around the body.

Hypertrophic cardiomyopathy (HCM) affects the left ventricle, and its functional ability to pump blood into the aorta.