What pressure changes cause the closing of the AV valves and the opening of the semilunar valves?

Q: What is the patient’s current pulse pressure and what are the main determinants of pulse pressure?

A: The difference between systolic and diastolic blood pressures is defined as pulse pressure.The…

Q: What is the functional significance of the difference in thickness between the wall of the aorta and…

A: The aorta is the main artery which carries blood away from heart to the rest of  body.  The…

Q: Between which times is the valve between the atrium and the ventricle closed?

A: The cardiac cycle consists of a Systole and a Diastole of atria and ventricles Each Cardiac cycle…

Q: What happens when the Mean arterial pressure Increases?

A: Introduction:Blood pressure is the pressure exerted by the blood on the walls of the arteries.…

Q: How does heart failure lead to edema in the pulmonary and systemic vascular beds?

A: The human heart is defined as an organ that will pump the blood throughout the human body via the…

Q: What roles do the chordae tendineae and papillary muscles have in the normal function of the AV…

A: The heart is the muscular organs of the cardiovascular system.

Q: What does Coronary balloon angioplasty involve?

A: As a result of the deposition of cholesterol or fat or plaques, the diameter of the arteries of the…

Q: Why are the tendinous cords required for the proper functioning of the AV valves?

A: The heart is a muscular organ of the cardiovascular system that functions to pump the blood to the…

Q: What is the primary cause of the low velocity of bloodflow in capillaries?

A: The circulatory system is one of the major systems of the human body. The circulatory system…

Q: What are atrioventricular valves ? Where they are located ?

A: The human heart has four chambers within it. These four chambers are the Right and Left atria and…

Q: What is the process of an angiogram?

A: Angiography, angiogram, or arteriograms are terms that describe a procedure used to identify…

Q: What is the inherent rate of automaticity at the AV junction?

A: The Heart is a vital part of the body, it supplies the blood to the various body part, organs. 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: How does mean arterial pressure differ from systolic pressure and diastolic pressure?

A: Blood pressure is defined as the quantity of force exerted by the flowing blood over the inner walls…

Q: What are normal values for systolic, diastolic, and mean arterial pressures in young adult males?…

A: In adult male the range of systolic BP 100–179 mmHg;  Diastolic BP 60–139 mmHg;  Mean arterial…

Q: What is ECG technique?

A: Introduction: ECG is an acronym for electrocardiogram. it is also called ECG, 12-lead ECG, or EKG.…

Q: What is transpulmonary pressure?

A: Alveolar pressure is the pressure inside the alveoli of the lungs and it plays a key role during…

Q: Can the pacemaker be observed directly on an ECG?

A: Pacemaker: In individuals, who are affected with arrhythmias, a condition in which the heart beats…

Q: What is meant by the term venous return?

A: The flow of blood back to the heart is known as Venous return. The blood is received by the right…

Q: Would you expect this count to be decreased or elevated in a vaso-occlusive crisis?

A: In Vaso occlusive crisis the RBC Becomes sickel shaped so it causes obstruction in the blood supply…

Q: Which two factors of systemic arterial pressure is the arithmetic product?

A: The pressure measured within big arteries in the systemic circulation is referred to as an…

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: List the names of the atrioventricular valves

A: The prime organ of the circulatory system is the heart. It plays a vital role in pumping oxygenated…

Q: What is the normal value for mean arterial pressure?

A: Blood is an important component of the human body as this fluid tissue helps in the transportation…

Q: How long does a 12 lead ECG take?

A: ECG:An electrocardiograph(ECG) is nothing but a voltmeter that records the changes in the electrical…

Q: Why is atrial repolarization not observed in the ECG?

A: ECG stands for electrocardiography. It is a process to produce an electrocardiogram. To check for…

Q: What is the difference between the systole and diastole and their pressure?

A: The cardiac cycle involves events and patterns of contraction and relaxation of heart to complete…

Q: What is the pericardial fluid?

A: The human heart is located in the thoracic cavity between the lungs. It is a hollow, fibromuscular…

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: What is the normal function of the aortic and carotid sinus baroreceptors?

A: Receptors are chemical structures made up of proteins that collect and send signals that can be…

Q: What is the advantage of double circulation?

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

Q: Explain Sinus Rhythm with Second-Degree AV Block?

A: Sinus rhythm is the heartbeat rhythm and is determined by the sinus node. This node created an…

Q: Does ECG lead placement matter?

A: Introduction: ECG (electro cardio gram) is the most important diagnostic for studying the cardiac…

Q: Where does anatomic shunt exist?

A: Introduction: The fetal circulation starts when umbilical vein carrying oxygenated blood flow…

Q: Why is it important that the AV node delay the electricalimpulse moving from the SA node and the…

A: The  AV node is a part of the electrical conduction system of the heart that coordinates the top of…

Q: What is the function of the coronary sinus?

A: Blood that has been exposed to oxygen in the lungs is said to be oxygenated blood. Blood that has a…

Q: What innervates the pericardium?

A: The heart is the organ that pumps blood everywhere. This helps in the change of oxygen and carbon…

Q: How does blood pressure in the pulmonary circulation compare to the pressure in the systemic…

A: The pulmonary circulation is a relatively low-pressure system as compared to systematic circulation…

Q: Why is capillary flow increased with increased mean arterial pressure?

A: Blood pressure (BP) is the force which blood applies to the blood vessel walls in order to move…

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.