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Frank-Starling's law of the heart is related to what cardiac structures?
Frank Starling's law of the heart refers to a length-tension relationship of cardiac muscle cells. As ventricles fill with blood, the extra blood causes a stretch of the muscle cells known as end diastolic volume. The greater the stretch, within limits, the greater the contractile force, and therefore the greater the ability to eject blood from the ventricles (end systolic volume) to the great vessels, pulmonary trunk or aorta.
How does preload affect the stroke volume?
Preload refers to the degree of stretch of cardiac muscle cells before contraction. These muscles exhibit a length-tension relationship. When the cardiac muscle cells are at rest, they are shorter than their optimal length. The most important factor affecting the stretching of cardiac muscles is the venous return, that is, the amount of blood returning back to the heart. Slow heartbeat and exercise can increase the venous return. This will lead to the stretching of the ventricles and it will hence increase the contraction force.As reflected by the Frank-Starling Law, the stroke volume increases with the end diastolic volume. The greater filling volume will lead to the heart to stretch more and this will increase its force of contraction.
What does moderate generalized volume loss with prominence of the ventricles and cerebral cortical sulci mean?
The cerebral does moderate generalized volume loss with prominence of the ventricles and cerebral cortical sulci. It refers to the brain volume loss.
The cessation of heart activity is called?
It is known as cardiac arrest, and it refers to the ceasing of all cardiovascular activity, in which you are almost certainly going to die within the next few minutes.
What is the scientific name for artery in the circulatory system?
The heart and blood vessels are part of the cardiovascular system. Cardio- or cardiac refer to the heart. Vascular refers to the blood vessels. Circulation or circulatory refers to the movement of blood through the vascular system.
What part of the cardiac cycle is associated with the QRS complex?
The cardiac cycle refers to a complete heartbeat, including the systole and diastole. The QRS complex occurs during the depolarization of the right and left ventricles of the human heart.
What does the word 'cardiac' refer to?
"Cardiac" refers to the heart.
What organ does the word cardiac refer to?
"Cardiac" refers to the heart.
What does systole refer to?
Systole refers to the phase of the cardiac cycle when the heart muscle contracts and pumps blood out of the chambers and into the circulatory system. This is when the blood pressure is at its highest during the heartbeat.
What refers to the strength of force of each heartbeat?
The strength of force of each heartbeat is referred to as cardiac contractility. It is a measure of the heart's ability to contract and pump blood efficiently. Factors such as heart rate, volume of blood, and hormones can influence cardiac contractility.
Frank-Starling's law of the heart is related to what cardiac structures?
Frank Starling's law of the heart refers to a length-tension relationship of cardiac muscle cells. As ventricles fill with blood, the extra blood causes a stretch of the muscle cells known as end diastolic volume. The greater the stretch, within limits, the greater the contractile force, and therefore the greater the ability to eject blood from the ventricles (end systolic volume) to the great vessels, pulmonary trunk or aorta.
What do the AV valves in the heart do?
It means "atrioventricular". It refers to the valves between the atria and the ventricles.
What is meant by AV delay and what purpose does the delay serve?
The term AV delay refers to Atrioventricular Node delay. It is an important function in the human body as it makes sure that the atria have gotten all of their blood transported to the ventricles before they contract.
What is the medical Term meaning of cardiac origin?
The medical term for something of cardiac origin is "cardiac." This refers to any condition or symptom that originates from the heart.
What does cardiac mean and a synonym for it?
"Cardiac" is an adjective that refers to the heart, e.g. cardiac muscle (aka the heart). A synonym (one of few), would be "heart-related."
Which term cardiac refers to witch organ of the body?
The term "cardiac" generally refers to the heart. It is often used in medical contexts related to the heart's structure, function, or diseases.
What do the numbers 120 over 80 refer to?
blood pressure or BP, 120 refers to the amount of pressure produced when the ventricles of the heart contract and 80 refers to the pressure in the blood vessels (normally measured via the brachial artery in the humerus) when the heart is at resting. 120/80 is known as the ideal blood pressure.
