What causes an increase in heart rate?

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 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 are the treatments for right sided heart failure?

A: Meaning of Right-sided heart failure is that the blood is not pumping normal by the right side 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: 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: how does left side heart failure affect pulmonary blood pressure, cardiac output and systemic blood…

A: The left side of the heart receives the oxygenated blood from the lungs and pumps it to the entire…

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 drives heart rate?

A: The heartbeat is activated by electrical impulses that travel down a special pathway through 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: Does a change in body position from supine to standing cause a change in pulse?

A: The hydrostatic pressure exerted against the walls of blood vessels by blood flow is known as Blood…

Q: What are normal heart sounds? Where are they best heard? What do these heart sounds indicate?

A: The heart sounds are the sounds auscultated during the pumping of blood through the heart.

Q: What effect does a bigger heart have on stroke volume and heart beat?

A: Stroke Volume (SV) can be defined as the volume of blood in milliliters that is ejected from each…

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 effect does sympathetic stimulation have on the heart?

A: The sympathetic nervous system is responsible for stimulating the vasoconstriction of blood vessels.…

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 do you know if your ECG is abnormal?

A: An electrocardiogram (EKG) is used to estimate the electrical activity of the heart.  There are…

Q: What are the causes of heart failure?

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

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: why a leaking heart valve may cause heart damage over time?

A: Leaky heart valve can affect any of the four heart valves: 1)Aortic valve ( left ventricle and…

Q: how does bending the body forward affects resting heart rates?

A: This rate can vary marginally with body position changes. Most notably, when you go from leaning…

Q: what should the normal heart beat at

A: Heart beat includes on complete cycle of systole and diastole or the unifying force called pulsation…

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: 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: Do hormones affect Heart rate

A: The speed at which heart beats is called heart rate it is 72 beats per minute in normal people. This…

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: How does heart rate help maintain homeostasis?

A: Homeostasis is defined as the state where a living organism maintains steady internal, physical and…

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

A: The conduction system of the heart is a collection of nodes and conduction cells that are…

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: 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 is the structure of the heart? How does the heart work?

A: Human heart is a four chambered muscular organ.It shape and size is roughly like a closed fist of…

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: 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…