Sinus Tachycardia and Sinus Bradycardia Definition Causes and Treatment

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 Tach cardia 1

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 Bradycardia 1

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.
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