The drugs under this group prevent or treat the irregularities of cardiac rhythm. Cardiac Arrhythmias: Cardiac arrhythmias are the abnormalities in the rate, regularity, site of origin of the cardiac impulse, or a disturbance in conduction of the impulse such that the normal sequence of activation of atria and ventricles is altered. The arrhythmias occur due to either faulty impulse [...]
In this article we will discuss about:- 1. Meaning of the Cardiac Muscle 2. Properties of the Cardiac Muscle 3. Action Potential. Meaning of the Cardiac Muscle: The muscle is involuntary and striated. The muscle fibers repeatedly branch and interdigitate. Wherever these branches come in contact an intercalated disk present, it will maintain continuity with the surrounding fibers through gap [...]
Cardiovascular system deals with study of heart and blood vessels. The human heart is made up 4 chambers namely; 2 atria and 2 ventricles. Atria are thin-walled chambers. Right atrium receives venous blood from peripheral parts of body. The venous blood is brought to right atrium by superior and inferior vena cavae. Left atrium receives oxygenated blood from lungs. This [...]