Sinus Tachycardia and Sinus Bradycardia General idea with definition and causes and Treatment

Sinus Tachycardia Definition —

• Sinus tachycardia is a heart rate more than 100 beats/min.

Sinus Tachycardia and Sinus Bradycardia General idea with definition and causes and Treatment

Causes of Sinus Tachycardia

• Fever, thyrotoxicosis, exercise, anaemia, lack of activity, hypertension etc.
• Drugs like Sorbitrate, .Nifedipine, nasal decongestants drops, atropine eye drops etc can cause tachycardia.

Treatment

• Digitalis glycosides,
• B blockers,
• diltiazem or no treatment required.

Sinus Bradycardia Definition —

• Sinus Bradycardia is a heart rate less than 60 beats/min.

Sinus Tachycardia and Sinus Bradycardia General idea with definition and causes and Treatment 2

Causes of Sinus Braycardia

• Normal persons like athletes_,
• sportsman,
• hypothyroidism,
• liver disease,
• obstructive jaundice,
• ty­phoid fever,
• raised intracranial tension.

Drugs like Causes —

• Atenolol,
• propanolol,
• diltiazem,
• digoxin can also cause bradycardia.

Treatment  —

• Treat the cause.
• Usually no treatment required.