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What is bradycardia?

Bradycardia or a slow heart rate is a condition when the heart of a person beats less than 60 times per minute. In the case of a healthy adult, the heart rate should be between the range of 60-100. A slow heart rate is generally seen in athletes and older people. Some young and healthy individuals may also experience bradycardia, which is normal until they start experiencing other symptoms.

What are its main associated signs and symptoms?

Commonly seen signs and symptoms associated with bradycardia are:

Sometimes you may not experience any symptoms at all.

What are the main causes?

There are two causes for the developing bradycardia. They are:

  • Intrinsic causes (i.e., due to internal factors):
  • Extrinsic causes (i.e., due to external factors)
    • Coughing.
    • Vomiting.
    • Passing of urine.
    • Passage of stool.
    • Medications like beta blockers, calcium channel blockers (both for treating high blood pressure) and anti-arrhythmic drugs (for a loud, irregular and rapid heart rate).
    • Hypothyroidism (low thyroid hormone levels in the body).
    • Reduced body temperature (hypothermia).
    • Injury to the brain, spinal cord or nerves.
    • Imbalances in potassium levels.

How is it diagnosed and treated?

Your doctor will take a detailed history of your medical conditions and medicines that you are taking to find the cause and conduct a physical examination in those who are suspected to have a slow heart rate. To confirm bradycardia, your doctor will carry out a specialised test called electrocardiogram (ECG), which detects any abnormalities in the heart rhythm. Other tests may also be conducted, e.g., blood test (to detect hypothyroidism or electrolyte imbalance), sleep apnoea test, electrophysiology test (to know the exact cause of irregular heartbeat) and a stress test (to find the response of heart in work or stress).

Bradycardia could be identified during routine check-up even if you did not experience any symptoms previously.

Treatment is usually not given to those without any associated symptoms. Symptoms of bradycardia vary depending upon the cause. If a slow heart rate is due to a certain drug, either the dose is reduced or completely stopped. In the case of a sinus node dysfunction, a pacemaker is used to normalise the heart rate.

  1. Medicines for Bradycardia (Slow Heart Rate)

Medicines for Bradycardia (Slow Heart Rate)

Medicines listed below are available for Bradycardia (Slow Heart Rate). Please note that you should not take any medicines without doctor consultation. Taking any medicine without doctor's consultation can cause serious problems.

Medicine NamePack SizePrice (Rs.)
Atropine Sulphate (Samarth)Atropine Sulphate 0.6 Mg Infusion167
Atropin (Life)Atropin Injection169
AtrosulphAtrosulph 1% W/V Eye Drop12
AtrowokAtrowok 0.60 Mg Injection3
AtroAtro 1%W/V Eye Drops0
Bell MfcBell Mfc Eye Drop76
OpthopinOpthopin 1% W/V Eye Drop12
TopinTopin 1% Eye Drops12
TropineTropine 0.6 Mg Injection2
AtaronAtaron 1% W/V Eye Drop0
AtpinAtpin Injection7
AtrometAtromet 1% Eye Drops8
AtropaAtropa 0.6 Mg Injection0
Atropine Sulphate (Pharmtak)ATROPINE SULPHATE 6MG INJECTION 10ML0
AtropineAtropine Eye 5 Gm Ointment15
Atropine InjectionAtropine Sulphate 0.6 Mg Injection3
Bell Pino AtrinBell Pino Atrin Eye Drops0
OptaOpta Eye Drops39
TroyatroTroyatro 0.6 Mg Injection68
Atpine (Search)Atpine Eye Drops24
AtpineAtpine Tablet20

Do you or anyone in your family have this disease? Please do a survey and help others


  1. American Heart Association, American Stroke Association [internet]: Texas, USA AHA: Management of Symptomatic Bradycardia and Tachycardia
  2. American Heart Association, American Stroke Association [internet]: Texas, USA AHA: Exercise Stress Test
  3. John Wiley and Sons. [Internet]. Wiley Blackwell.United States; Bradycardia.
  4. Fred M. Kusumoto, Mark H. Schoenfeld. [Internet]. Journal of the American College of Cardiology November 2018 Bradycardia Guideline Hub.
  5. Hafeez Y, Grossman SA. Sinus Bradycardia. [Updated 2019 May 14]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2019 Jan-.

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