How is Cardiac Index?

Q: What is Systole pressure?

A: Systolic pressure is the pressure of the blood in the arteries when the heart pumps the blood in the…

Q: What are Cardiac Action Potentials?

A: Unlike the action potential in skeletal muscle cells, the cardiac nerve impulse isn't initiated by…

Q: How does the delay of the impulse at theatrioventricular node contribute to cardiac function?

A: The second clump of myocardial specialized conductive cells is called as atrioventricular node. This…

Q: What are the mechanisms that assist in returning venous blood to the heart?

A: The most important transport liquid in the human body is blood. This is circulated from heart to…

Q: How is the return of venous blood to the heart accomplished?

A: The veins (blood vessels) that return the blood to the heart. The pressure developed in the veins…

Q: What is the Blood Volume and Its Effect on Blood Pressure?

A: To describe: Blood Volume and Its Effect on Blood Pressure

Q: What is ventricular fibrillation?

A: The heart is a muscular organ that is divided into the left and right sides to prevent the mixing of…

Q: What are the main factors that control heart rate?

A: Introduction:Carotid arteries carry blood from the heart to the brain. They branch off from the…

Q: What is the blood flow of the heart?

A: Blood is the body fluid that is composed of plasma and formed cell that circulates through the…

Q: How is cardiac output calculated?

A: The human heart is situated in the middle of the thoracic cavity in a space called the mediastinum.…

Q: What is known as cardiac output ?

A: The human heart has four chambers within it. These four chambers are the Right and Left atria and…

Q: What initiates action potentials in cardiac muscle?

A: Generation of action potential activates the neuron during the generation of stimuli. It is studied…

Q: What causes a pulse in an artery?

A: The vascular system or cardiovascular system or circulatory system is the organ system that allows…

Q: What would be the drawback of cardiac contractions being the same duration as skeletal muscle…

A: Cardiac muscles are specialized in the way that long action potentials are generated in the cardiac…

Q: What is the importance and the physiology of the cardiac conduction system?

A: Cardiac conduction system is also known as the electrical conduction system of the heart. The…

Q: What compensatory measures does the body employ in an attempt to restore cardiac output?

A: The circulatory system is one of the most essential systems in the body. The function of the…

Q: What is systolic dysfunction?

A: The pumping action of the heart moves oxygen-rich blood as it allows blood to move from the lungs to…

Q: How does each ECG wave, interval, and segment relate to contraction (systole) and relaxation…

A: Electrocardiogram (ECG) is used to measure the regularity of heartbeats and also the size and…

Q: What is cardiac cycle?

A: The cardiovascular system is an organ system that allows the circulation of blood, which transports…

Q: How are events of the cardiac cycle reflected in pressure and volume changes within the cardiac…

A: The cardiac cycle includes coordinated contraction and relaxation of heart chambers.

Q: What is the differencebetween systole and diastole?

A: Diastole and systole are two phases of the cardiac cycle. They occur as the heartbeats, pumping…

Q: What is the relationship between cardiac output and venous return in the steady state?

A: Cardiac output is the amount of blood pumped into the aorta by the heart per minute, and it is…

Q: How does the long plateau of the cardiac action potential develop and what is its functional role?

A: Hi, Thanks For Your Question.  Answer : A Transient Shift In Voltage (Membrane Potential) Across The…

Q: How do blood volume and venous tone affect cardiacoutput?

A: The heart pumps the blood, and the amount of blood that is pumped by it within one minute through…

Q: Where are AV valves located within the heart? Where are semilunar valves located within the heart?

A: The heart can be defined as the muscular organ about the size of fist that is situated just behind…

Q: What is pulse pressure

A: The network of circulatory system consists of blood, blood vessels and the heart. This entire…

Q: how does the delay of the impulse at the atrioventricular node contrribute to cardiac function?

A: The AV node serves as an electrical relay station, slowing the electrical current sent by the…

Q: Why does heart rate increase with exercise?

A: Exercise may be defined as any physical body activity that can increase the fitness of an individual…

Q: How does the heart rate differ before and after exercise?

A: Heart rate, also termed as the pulse rate, is the rate at which a person’s heart beats for one…

Q: How is local blood flow dependent on total blood flow?

A: Blood flow refers to the circulation of blood through the vessels from arteries to the capillaries…

Q: What is venous heart in Scoliodon?

A: Scoliodon belongs to a genus of sharks of family Carcharinidae. It has elongated and spindle shaped…

Q: What are the main components of the venous system in the heart?

A: The venous system is composed of veins. The veins are the part of the vasculature long with…

Q: What pressure changes cause the closing of the AV valves and the opening of the semilunar valves?

A: AV valve stands for atrioventricular valves, which are responsible for connecting the atrium to the…

Q: Can ECG give false readings?

A: ECG: ECG is referred to as electrocardiography and produces an electrocardiogram. ECG produces a…

Q: What is atrio-ventricular node?

A: The heart is the most important organ in the body. It is made up of several different types of…

Q: How do heart rate, preload, afterload, and contractility affect cardiac output and cardiac workload?

A: The cardiovascular framework circulates blood all through the body in order to supply oxygen and…