Aten 100 Mg contains Atenolol which has a place with the class of drugs called beta-blockers. It is utilized in the treatment of (hypertension) and arrhythmia (uneven heart beats). Hypertension is a condition where the blood applies an expanded pressing factor against the dividers of veins. Whenever left untreated, it might prompt harm of vein, kidney issues, stroke and other heart issues. Arrhythmia is a heart condition in which there is an ill-advised age or conduction of cardiovascular motivations which influences the ordinary heart rhythm. Following oral organization, atenolol specifically ties to and represses the movement of beta 1-adrenergic receptors, which diminishes the pulse, power of constriction and cardiovascular yield, prompting decline in circulatory strain. It likewise diminishes cardiovascular responsibility and oxygen request which helps in securing the heart against coronary failure and chest pain.