How are preload, afterload, and contractility managed therapeutically in the patient with heart failure?

Q: how does cardiovascular training impact changes to the heart structure ?

A: The heart is an organ found in animals that is responsible to pumps blood through blood vessels of…

Q: How do preload, contractility, and afterload influence stroke volume and cardiac output?

A: In physiology, the term cardiac output refers to the volume of blood pumped by the heart in one…

Q: Compare the action potentials of contractile cardiac muscle. autorhythmic cardiac muscle and…

A: In cardiac muscles, the action potential is initiated by the sinoatrial node that travels down the…

Q: In ECG, P and QRS waves represent what types of heart electrophysiological activity? Draw and speak.…

A: The circulatory patterns are of two types - open or closed. The open circulatory system is present…

Q: Graph the heart rate, stroke volume, and cardiac output response to incremental exercise.

A: Incremental exercise can be described as a steady-state exercise whose intensity is increased with…

Q: What factors determine local blood flow during exercise?

A: Blood flow can be defined as the process of the flow of the blood in the body. The factors which…

Q: Integrate the factors that determine stroke volume and heart rate?

A: The amount of blood pumped with the help of the left ventricle of the heart does in one contraction.…

Q: ifferentaite between RBBB and brugada syndr

A: Right bundle branch block(RBBB) is electrocardiogram finding occurs his- Purkinje system and…

Q: splanchnic, cutaneous, and skeletal muscle vascular beds during sustained exercise (distance

A: The amount of blood pumped by the left ventricle in a minute is called as the cardiac output. It's…

Q: Describe the mechanisms that increase the cardiac output during exercise and that increase the rate…

A: When a person is exercising there are various circulatory changes that occur in his/her body. The…

Q: List the normal value for resting heart rate

A: The human circulatory system or the blood vascular system consists of a muscular chambered heart, a…

Q: Trace the pathway of blood flow through the heart, and describe the major factors that ensure…

A: the blood vessels are organized into two different circulatory routes- SYSTEMATIC AND PULMONARY…

Q: Explain the major mechanisms involved in regulation of cardiac performance.

A: Heart-  The heart is a muscular organ located near the center of the chest cavity. The heart is…

Q: Explain the relationship between stroke volume and venous return.

A: The cardiovascular system consists of the heart, blood vessels and blood. The heart is a hollow…

Q: List the factors that determine cardiac output and total peripheral resistance?

A: The cardiovascular system is also called the blood vascular or circulatory system, consists of a…

Q: Summarize the normal ECG configurations and heart activity?

A: ECG is basically the graphical representation of the heart activity during a routine cardiac cycle.…

Q: How does a positive inotropic agent increase the strength of cardiac muscle contraction?

A: A positive inotropic agent is any drug or medication that can change the force of contraction with…

Q: Murein in a bacterial cell wall is a polymer of N-acetyl glucosamine and N-acetyl muramic acid. True…

A: Cell wall is the outer covering found in most bacterial cells and it functions to give strength,…

Q: Describe in detail cardiac output, stroke volume, and peripheral resistance

A: The heart functions to pump blood to the different organs or body parts internally and hence a…

Q: What mechanism is most important for short-termregulation of blood pressure under resting…

A: The human circulatory system is one of the major eleven organ systems in the human body and is…

Q: What is preload? Afterload? How does each affect stroke volume? How changes in preload or afterload…

A: The heart is divided into four chambers which include two atria and ventricles. The atria have…

Q: Describe the anatomy and physiology of the heart as well as cardiac electrophysiology, including…

A: Heart forms the key organ of the cardiovascular system of our body ensuring continuous circulation…