Describe what is happening physiologically in each of the parts of the EKG listed: Electrocardiogram   P wave- atrial depolarization   QRS complex- ventricular depolarization (atrial repolarization)   T wave- ventricular repolarization   PR interval   QT interval   Tachycardia   Bradycardia   Fibrillation

Q: What effect would have cardiac arrhythmias, such as acute atrial fibrillation on cardiac output and…

A: The complications of heart arrhythmias might incorporate stroke, unexpected death, and…

Q: stroke volume, end systolic volume, end diastolic volume, resistance, venous return, mean arterial…

A: Cardiac output is the volume of blood being pumped by the heart, by the left and right ventricle,…

Q: during a procedure, a patient's end diastolic volume was found to be 127mL. The end systolic volume…

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

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 the electrical events that generate each portion of the electrocardiogram.  How do they…

A: Heart conduction is necessary for blood regulation. As these conduction activities are related to…

Q: Explain isovolumetric ventricular relaxation?

A: The time between the atrial contraction and ventricular relaxation or between one heartbeat's end to…

Q: According to Stephen Hales, if systolic blood pressure in the brachial artery (SBP) = 90 mm Hg, and…

A: The Mean Arterial Pressure (MAP) is a term used in medicine to describe an average blood pressure in…

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: 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: Beginning in the SA node, diagram the normal sequence of cardiac activation(depolarization) and the…

A: Cardiac contractions are controlled by the heart’s specific excitatory and conductive mechanisms.…

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: Define the terms depolarization and repolarization with respect to heart’s activity.

A: Cardiovascular action is a short-term change in voltage i.e. the power of the membrane throughout…

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: 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: Parasympathetic stimulation also increases the delay between atrial and ventricular contractions.…

A: In physiology, the parasympathetic nervous system is responsible for the stimulation of…

Q: Describe the relationship between end-diastolic volume and stroke volume in a worsening heart…

A: End-diastolic volume (EDV) is the amount of blood that remains in the ventricles of the heart at the…

Q: The QRS wave of an ECG (or EKG) represents: a. depolarization of the ventricles. b. Depolarization…

A: ECG is basically a graphical representation of the electrical activity which takes place in the…

Q: hy is the "lub" sound (S1) recorded around the peak of the QRS complex in an ECG?

A: ECG is also known as an electrocardiogram. It is essentially used in measuring the heartbeats,…

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…

Q: Explain the effect of the following on Cardiac Output: Preload, afterload and Contractility

A: Cardiac output referred to as the volume of the blood the heart can pump in the circulatory system…

Q: Describe the pathway of action potentials through the cardiac conduction system and explain its…

A: The resting membrane potential's random, propagating, fast and transitory change is defined as an…

Q: Define ventricular tachycardia Explain the causes of ventricular tachycardia.

A: The arrhythmias are irregular heartbeats. There are different types of arrhythmias such as…

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

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