In this article we will discuss about:- 1. Normal Values of Heart Rate 2. Regulation of Heart Rate 3. Mechanism 4. Factors Affecting. Normal Values of Heart Rate: In adult males - 72 per minute, the range is from 70 – 80 per minute. In adult females-the rate is slightly higher than in males. Cause may be due to: (a) [...]
In this article we will discuss about:- 1. Introduction to Cardiac Output 2. Normal Values of Cardiac Output 3. Distribution 4. Control 5. Methods of Measuring 6. Factors Influencing. Introduction to Cardiac Output: At each beat certain amount of blood is pumped out by each ventricle into the circulation. This is called cardiac output. Two terms are used: 1. Stroke [...]
Introduction to Heart Sound: There are two classical sounds of heart in humans, known as the first and the second sounds (Fig. 7.56). They can be easily detected with a Stethoscope. Two other sounds have also been described - the third and the fourth - which, though difficult to detect clinically, are constantly found in graphic records. The first and [...]