Why is Sinus bradycardia often normal in athletes?

Q: What happens to arterial blood pressure during exercise?

A: Blood is a connective tissue that helps in the transportation of nutrients thought out the body.…

Q: What can affect the central venous pressure?

A: Central venous pressure (CVP) is that the pressure within the venae cavae, close to the right atrium…

Q: What is ventricular fibrillation?

A: The heart is a muscular organ that is divided into the left and right sides to prevent the mixing of…

Q: Why do differences occur in maximal shortening velocities?

A: The shortening speed of a muscle fiber is that the rate of its shortening.

Q: Define the term isovolumetric ventricular relaxation?

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

Q: Why less pressure is lost overcoming resistance between the arteries and the capillaries?

A: The oxygenated blood pumped by the left ventricle have a certain amount of pressure in it which…

Q: A person’s cardiac output is 7 L/min and mean arterial pressure is 140 mmHg. What is the person’s…

A: The mean arterial pressure defines the average volume of blood present in the blood vessels which is…

Q: Explain the term isovolumetric ventricular contraction?

A: The cardiac cycle in animals is the result of the atrial and ventricular contraction and relaxation…

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: What effect does standing still for a prolonged time haveon the blood pressure in the feet and in…

A: The heart purposely pumps blood at a particular pressure such that blood is able to flow against the…

Q: Explain the operation of the carotid sinus reflex and the aortic reflex.

A:

Q: A person has a left atrial pressure of 20 mmHg and a left ventricular pressure of 5 mmHg during…

A: The cardiac cycle can be categorized into different phases on the basis of the contraction and…

Q: Which determinant of resistance is varied physiologically to alterblood flow?

A: To answer this question we should have knowledge of Physiology.

Q: What is atrial fibrillation?

A: Atrial fibrillation is the term used to describe an irregular or abnormal heart rate. It is…

Q: What is the main parts of ECG Explain it briefly?

A: The technique of creating an electrocardiogram is known as electrocardiography (ECG). It is a heart…

Q: vasoconstrictors?

A: The pressure of circulating blood against the walls of blood arteries is known as blood pressure.…

Q: What is the force driving venous return?

A: * Veins are blood vessels which return blood to the heart. * The pressure in these veins is the…

Q: Describe Korotkoff's sounds and their implication in measuring blood pressure. How many sounds are…

A: Korotkoff sounds are blood flow sounds. These sounds appear when the blood pressure cuff is…

Q: How does the long plateau of the cardiac action potential develop and what is its functional role?

A: Hi, Thanks For Your Question.  Answer : A Transient Shift In Voltage (Membrane Potential) Across The…

Q: what type of individualis likely to have bradycardia at rest?

A: Heart rates can vary from person to person. For adults, a fast heart rate is generally defined as a…

Q: Is the blood in motion or not in motion after an activity?

A: Our blood is carried to different organs by the arteries continuously. The heart pumps the blood…

Q: What are Korotkoff sounds? Which phases of Korotkoff sounds are recorded as systolic and diastolic…

A: The sounds which are heard (such as through a stethoscope) when measuring blood pressure (BP)…

Q: What is autorhythmicity? Describe how nodal cells function as autorhythmic cells to serve as the…

A: The cells associated with the function of creating the rhythmic impulses in order to set the pace…

Q: Is Atrial Fibrillation a lethal rhythm

A: A human heart have four chambers: upper two atrium and lower two ventricles. All the four chamber…

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: High-pressure environments have a profound effect on the cardiopulmonary system. What are they?

A: Cardiopulmonary is a combination of two words that is cardio and pulmonary. Cardio means heart and…

Q: How are preload, afterload, and contractility managed therapeutically in the patient with heart…

A: Heart failure is characterized by the heart’s inability to pump an adequate supply of blood to the…

Q: Explain the Locations of arterial baroreceptors?

A: Introduction: The adjustment to the blood pressure can be made by altering the below-mentioned…

Q: Can ECG give false readings?

A: ECG: ECG is referred to as electrocardiography and produces an electrocardiogram. ECG produces a…

Q: Discuss the effects of gravity on blood flow?

A: Blood is the circulatory fluid of the body. It is a buffer that bears the fluctuations in the pH of…

Q: Why must this change occur? (in reference to how does the heart rate differ before and after…

A: The process of circulation or internal transport is carried out by the pumping organ of the body,…

Q: Define bradycardia

A: Bradycardia is the condition related to the heart. Heart is one of the vital organs responsible for…

Q: How much of the total cardiac output may increase during the performance of heavy exercise?

A: The word "cardiac output" refers to the amount of blood pumped by the heart every minute. The…