Define events associated with period of ventricular filling , ventricle systole and ventricular distole

Q: Fill in the blank:  During ventricular relaxation, the A-V valves remain _______________________.

A: Cardiac cycle refers to sequence of alternating contraction and relaxation of the atria and…

Q: Explain why ventricular arrhythmias can have serious consequences

A: The heart is the most important component of the circulatory system, as it regulates blood flow. The…

Q: Define the term vasoconstriction?

A: Blood vessels including arteries, capillaries, and veins can constrict and dilate to facilitate body…

Q: What are the characteristics of ventricular tachycardia?

A: The normal resting heart rate can be described as the adults ranges from 60 to 100 beats per minute.

Q: Interpret Ventricular tachycardias from ECG with graph

A: The function of the electrocardiogram(ECG) is to trace the electrical activity of the heart. In a…

Q: Define the term isovolumetric ventricular relaxation?

A: The term isovolumetric ventricular relaxation (IVR) is related to the cardiac cycle. The cycle…

Q: (a) Describe how heart contraction and relaxation influence coronary blood flow. (b) Name the major…

A: Coronary circulation(coronary blood flow) is defines as a process of blood circulation where the…

Q: Explain the absence of peripheral pulses in ventricularfibrillation.

A: In the human circulatory system, the heart is considered the central organ that plays a significant…

Q: Describe and explain the normal ECG pattern.

A: An electrocardiogram is an image of the electrical conduction of the heart. By inspecting changes…

Q: Discuss the relationship between Ventricular end-diastolic Volume and Stroke Volume?

A: Cardiac output (CO) is the volume of blood pumped by the heart through the systemic circulation. It…

Q: Describe the factors that influence preload and afterload, and explain how they affect cardiac…

A: Cardiac output is  defined as a amount of blood  heart pumps in a  minute, and also  it depends on…

Q: Give a term to describe the statement. All valves are closed and the volume of blood remains…

A: Cardiac cycle is the process of contraction and relaxation of cardiac muscle to pump the blood in…

Q: Describe how different arrhythmias affect the ECG.

A: ECG stands for electrocardiogram. ECG is the test to check the electrical signal of the heart to…

Q: Predict the potential effects of right-sided heart failure (failure of the right ventricle to pump…

A: When the right side of the heart does not pump blood as properly, the right sided heart failure…

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: What is mainly responsible for the delay between the atrial and ventricularcontractions?

A: The action potential conduction velocity of the AV node cells is mainly responsible for the delay…

Q: Study the diagram below to identify the pressure relationships which are present during VENTRICULAR…

A: During first part of ejection ventricular pressure rises blood is intensively ejected to the…

Q: Describe the components of the left atrioventricular valve.

A: The heart has four chambers: right atrium, right ventricle, left atrium, and left ventricle. The…

Q: Interpret Ventricular tachycardia from ECG with graph

A: ECG stands for electrocardiogram. It is a technique in which the cardiac action potentials of the…

Q: Explain why the walls of the atria are thinner than those of the ventricles, and why the wall of the…

A: The walls of Artria are thinner than Ventricle because the artria are only receiving chambers…

Q: An individual presents with cardiac tamponade.  Their heart would be the most efficient in pumping…

A: cardiac tamponade is a medical condition where there is build up of fuilds in the pericardial sacs.…

Q: Describe the control of cardiac function by the autonomic nerves

A: ANS ( Autonomic Nervous system ) is responsible for controlling many physiological functions…

Q: Explain the generation of cardiac action potential. Describe the cardiac conduction system and…

A: Introduction Cardiac action potential includes the changes in the membrane potential across the cell…

Q: Define Cardiac Output, give its relationship with Stroke Volume.

A: Introduction - The heart is a muscular organ the size of a fist that is placed directly behind and…

Q: During what phase does blood flow from the ventricles into the pulmonary trunk and aorta?…

A: The recurring sequence of changes that takes place in each beat of the heart ( cardio dynamic events…

Q: Define Ventricular Tachycardia?

A: Introduction  Heart is highly muscular in nature and composed of smooth cardiac muscles which are…

Q: Define Ventricular Fibrillation?

A: The human heart is four-chambered. It has two auricles and two ventricles. The auricles pump blood…

Q: Define the term "coronary circulation".

A: Coronary circulation is the circulation of blood in the blood vessels that supply the heart muscle…

Q: Define cardiac output, and explain how it is influenced by both heart rate and stroke volume.

A: The cardiac cycle is the human heart's performance from the beginning of one heartbeat to the…

Q: Define the term sustained ventricular tachycardia or V-tach?

A: Ventricular tachycardia or V-tac is basically Ventricular tachycardia heartbeat.   It is an…