Anatomy

First Heart Sound What are heart sounds? How are they produced? (or) First heart sound.  Answer: Heart sounds: Heart sounds Definition: The mechanical activities of the heart during each cardiac cycle produce some sounds, called heart sounds. "Understanding the first heart sound through FAQs: Mechanism, functions, and uses explained" Types and their … [Read more...] about First Heart Sound

Electrocardiogram Define electrocardiogram. Draw a neat diagram and briefly describe different waves. What is the significance of P-R interval? (or) Draw and label a normal electrocardiogram. What is P-R interval? Answer: Electrocardiogram (ECG): Electrocardiogram Definition: It is the graphical registration of the electrical fluctuations of the heart occurring … [Read more...] about Electrocardiogram

Cardiac Output What is cardiac output? Mention factors effecting cardiac output? Add a note on venous return. (or) Enumerate any three factors influencing venous return to the heart. Explain any one of them. Answer: Cardiac output: Definition: The amount of blood pumped out by each ventricle into the circulation per minute is called cardiac … [Read more...] about Cardiac Output

Fick's Principle Of Cardiac Output Measurement Define the terms cardiac output and cardiac index. Mention methods for mention the factos measuring cardiac output that influence cardiac output? (or) Explain Fick's Principle. (or) What is normal cardiac output? How it is determined in man? Answer: Definitions: 1. Cardiac Index: It is defined as the amount of blood … [Read more...] about Fick’s Principle Of Cardiac Output Measurement

Heart Rate What is normal heart rate? Describe variation and regulation of heart rate. Answer: Heart rate: Normal heart rate in adults in 70-80 beats per minute. "Understanding heart rate through FAQs: Normal ranges, factors, and uses explained" Variations: 1. Physiological variations: Age. After birth, heart rate decreases with age. However, in … [Read more...] about Heart Rate