Define Ventricular Fibrillation. Describe what is happening electrically during VF.

Q: Draw and label a normal ECG. Relate the P, QRS, and T waves to the atrial and ventricular action…

A: Draw and label a normal ECG. Relate the P, QRS, and T waves to the atrial and ventricular action…

Q: Explain how an action potential occurs in cardiac contractile fibers.

A: The automatic rhythmicity of the heart is its ability to contract spontaneously and at regular rate.…

Q: Explain the electrical and mechanical events in the cardiac cycle, including their relationship to…

A: The sequence of events performed by the heart from one heartbeat to the commencement of next is…

Q: Define the term vasoconstriction?

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

Q: Define events associated with period of ventricular filling , ventricle systole and ventricular…

A: The events that happen during a single heartbeat is known as the cardiac cycle. The duration of a…

Q: Explain how Cardiac output is controlled and affected by the following factors: 1. the atrial and…

A: Atrial reflexes is in action when there is venous return to the heart. Baroreceptors in the superior…

Q: Define the term isovolumetric ventricular relaxation?

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

Q: Left ventricular output is generally the same as right ventricular output. If right ventricular…

A: On an average, 70 ml of blood is pumped every beat (stroke volume) and about 5000 ml every minute…

Q: Describe the characteristic and location of the pain that the client will experience in the…

A: The heart is a muscular organ that is located behind and slightly to the left of the breast bone.…

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: Define cardiac output, describe how it is regulated, and identify factors that affect it.

A: Cardiac muscle tissue can be defined as one of the three types of muscle tissue in our body. Cardiac…

Q: Describe the cardiac center and innervation of the heart.

A: The heart refers to an organ that pumps and provides blood supply to the body via the blood vessels.…

Q: Explain about the conducting systems of heart.

A: Heart maintain a constant flow of blood throughout the body. This replenishes oxygen and circulates…

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: Describe the effects of sympathetic and parasympathetic neuronal stimulation on heart rate.

A: the effects of sympathetic and parasympathetic neuronal stimulation on heart rate are:

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: State the location and function of Cardiac center.

A: Heart rate is defined as the speed of the heartbeat and is usually measured by the number of…

Q: List other factors that affect heart rate

A: Heart rate is the rate at which heart beats per minute. The average adult heart rate is 72 beats per…

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: Define the terms contractility, preload, and afterload, and explain how these factors affect the…

A: Ans: Cardiac output: The heats efficiency is calculated by the volume of blood it pumps to the…

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: fine the vasomotion? Also What is autoregulation of local blood flow

A: Vasomotion regulates the flow of nutrients and liquids between the circulatory system and peripheral…

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: Can you please explain in detail :  is the ventricular afterload a determinant of cardiac…

A: Cardiac Output- This is the process in which blood volume used to ejected by the heart/ unit time.…

Q: Describe the histology of the cardiac muscle and how it differs from the skeletal muscle

A: The muscular system is a system of muscles where muscles are connected to bones and also to envelope…

Q: Explain the cardiac conduction cycle as shown on an EKG

A: The electrocardiogram (ECG or EKG) is a recording of the electrical activity of the heart. The…

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: Interpret Accessory pathway tachycardias from ECG with graph

A: Accessory pathway tachycardias is a condition associated with heart. Heart is a vital organ that is…

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: Explain Sinus Rhythm with First-Degree AV Block?

A: The cardiovascular system of the human body is made up of the heart, blood, and blood vessels that…

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: Explain the role of platelets in the vasoconstriction of blood vessel injury. Include diagram or…

A: Platelets are disc-shaped anucleate fragments that are formed in the bone marrow from megakaryocytes…

Q: After the AV node depolarizes , the next event directly following is A) AV bundle depolarization C)…

A: After passing through the AV node, the electrical current then continues down the conduction…

Q: Describe the ECG characteristics of a PAC?

A: The ECG will show a premature, ectopic P wave and then no QRS complex afterward. When this occurs in…