What happens when there is an abnormality of the heart’s intrinsic electrical conduction system?

Q: What is Cardiovascular Function?

A: The heart refers to an organ that consists of four chambers. It pumps the blood through the group of…

Q: What are the risk factors and clinical manifestations for right-sided heart failure?

A: Heart failure is a life-threatening, long-term medical condition characterized by the inability of…

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: Why does the heart spend more time in diastole then in systole?

A: Diastole and systole are the two phases of the cardiac cycle. They occur as the heart beats and…

Q: heart failure occurs when

A: Congestive heart failure is commonly known as heart failure that refers to a condition in which the…

Q: What type of tissue composes the fibrous skeleton of the heart, and how is it organized?

A: The cardiac skeleton, also known as fibrous skeleton of the heart plays four major functions which…

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 functions of the heart?

A: A group of cells forms tissues and a group of tissues forms organs. The human body has five vital…

Q: What causes the heart sounds S1 and S2?

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

Q: Where is located the primary heart pacemaker? What is its function? What is the normal heart rate…

A: The heart is the most important organ for the body and is made up of several different types of…

Q: What is the change in intraventricular pressure between the time the first heart sound begins and…

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

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: Why is the left side of the heart larger than the right?

A: The right side of the heart is designed to pump the blood into the lungs and then to receive oxygen.…

Q: What happens when Heart rate Increases?

A: The heart is a well defined that they are been stated to term a muscular organ that is part of the…

Q: How does aging affect the heart?

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

Q: Which plane divides the heart into anterior and posterior  portions?

A: The heart is a siphon, normally beating around 60 to 100 times each minute. With every heartbeat,…

Q: What is the relationship between wall thickness and function among the various chambers of the…

A: Heart in humans have four chambers with different thickness of the walls. Generally the ventricles…

Q: Which layer is both a part of the pericardium and a part of the heart wall?

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

Q: Which region of the heart is innervated by the sympathetic division but not by the parasympathetic…

A: Heart is the vital part of the body that help in the circulation of blood, oxygen and nutrients…

Q: What is the most accurate way to calculate resting heart rate?

A: The resting heart rate refers to the rate at which the heart is pumping the blood when the body is…

Q: Explain how and why the heart changes in old age?

A: Heart: The heart is a muscular organ about the size of a fist. It is located behind breast bone and…

Q: Name the neurotransmitter released from parasympathetic nerve endings and what effect does this…

A: Neurotransmitters are body's chemical messengers used by the nervous system to transmit messages…

Q: What forces drive the venous return to the heart?

A: Anatomy and physiology are the branches of biology, anatomy deals with the study of the structure of…

Q: What is the significance of atrio-ventricular node and atrio-ventricular bundle in the functioning…

A: Introduction Significance of atrioventricular node and atrioventricular bundle in the functioning of…

Q: What kind of catabolism occurs in the heart?

A: The heart pumps blood through a system of blood vessels, called the circulatory system. The heart…

Q: What is the name of the main vessel that moves blood out of the heart?

A: The heart is a huge muscular pump that is divided into two halves, one on the right & one on the…

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: How are the two heart sounds produced during cardiac cycle? Which one of these is of longer…

A: The cycle that involves the end of one heartbeat and initiation of the second heartbeat is called…

Q: What areas of the heart are deprived of blood when there is a blockage in the posterior…

A: Posterior Interventricular artery is a coronary artery, which is also known as the Posterior…

Q: What are the four chambers of the heart called?

A: KEY WORDS:- Heart - The heart is a organ by which pumps blood to the circulatory system. Pumped…

Q: How is the heart regulated by the nervous system?

A: Human Heart is a four-chambered, fibro-muscular organ. There are two atria through which the heart…

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 can you determine the heart rate from an electrocardiogram?

A: ECG - Electrocardiogram - is a test used to measure the electrical activity of the heart to check on…

Q: What is the function of the conduction system of the heart?

A: The heart is a muscular organ responsible for pumping blood and distributing oxygen as well as…

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: What are the pathways of conduction through the heart?

A: The conduction system in the heart is basically a collection of nodes which can consist of nerve or…

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 causes the "lub" sound in the cardiac cycle?

A: A lub (also known as S1) and a dub (S2) are the two sounds of the normal cardiac cycle. There may be…

Q: What would happen to the heart rate if some stimulus causes the blood pressure to decrease?

A: Answer given in below step...

Q: What are the basic blood vessels in the heart? Describe briefly the function of each.

A: The circulatory framework, likewise called the cardiovascular framework or the vascular framework,…

Q: What happens when the Pulse pressure Increases?

A: Pulse pressure (Pp) is the difference between systolic and diastolic blood pressure (BP). The…

Q: What is an electrical difference across the fibers of the heart called?

A: Introduction: Even if all of the nerves supplying the heart are cut or if it is divided into several…

Q: When you have a blockage of blood flow to the heart, it will likely result in what...?

A: Heart block is an abnormal heart rhythm where the heart beats too slowly,which results in the…