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What is Tachycardia?

The heart beats at a consistent rate of 70 to 90 beats per minute at rest. When the heart rate goes beyond 100 beats per minute, it is considered as tachycardia. It is one of the commonest forms of arrhythmia. Tachycardia may be caused by physiologic (happening due to physical exertion or during pregnancy) or pathologic conditions.

What are its main signs and symptoms?

Tachycardia means that the heart is beating very fast and is not able to pump blood efficiently. This can cause reduction in the oxygen levels in the vital organs and can produce the following symptoms:

What are the main causes?

In the heart, an electrical impulse is generated which regulates the pumping of the heart. When there is an alteration in this system, tachycardia can be experienced. Reasons for this alteration are:


  • Exercising
  • Running
  • Anxiety
  • Pregnancy


Depending upon the rate at which the heart beats, tachycardia can be of the following types:

  • Atrial fibrillation – Rapid, non-synchronised contractions of the upper chambers (atria) of the heart
  • Atrial flutter – Atria beat too fast with a regular rate
  • Supraventricular tachycardia – Increased heartbeat that starts just above the ventricles (lower chambers of the heart)
  • Ventricular fibrillation – Irregular, rapid and chaotic beating of the ventricles of the heart
  • Ventricular tachycardia – Regular, rapid beating that begins in the ventricles of the heart

How is it diagnosed and treated?

A clinical examination (measuring the pulse rate) usually determines the presence of tachycardia, but it does not reflect its cause. So, a thorough medical history and certain investigations are required to determine the cause of tachycardia. These investigations include:

  • Electrocardiogram (ECG) – Helps in checking the electrical impulses of the heart and can also help in determining the issues with muscles of the heart
  • Electrophysiology – Helps in confirming the issues with the heart’s circulation
  • Echocardiogram – Helps in viewing the pumping of the heart
  • CT and MRI scan – Helps in viewing the structure of the heart and in determining the damage to the heart
  • Stress test – Helps in determining the functioning of the heart during physical stress

If tachycardia is physiological or due to stress, it can get corrected on its own. However, sometimes certain treatments may be required for managing this increased heart rate.

  • Medications – Oral or injectable anti-arrhythmic medicines can help in reducing the tachycardia.
  • Shock therapy or cardioversion – An external defibrillator is used for restoring the electric rhythm of the heart.
  • Pacemaker – Pacemaker is an artificial electric impulse generator which is useful in regularising the heartbeat.


  1. Medicines for Tachycardia

Medicines for Tachycardia

Medicines listed below are available for Tachycardia. 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.)
Bjain Thyroidinum LMBjain Thyroidinum 0/1 LM39
ADEL 54 Cangust DropADEL 54 Cangust Drop200
SBL Aurum muriaticum DilutionSBL Aurum muriaticum Dilution 1000 CH86
SBL Aurum Muriaticum LMSBL Aurum Muriaticum 0/1 LM64
Magneon InjectionMagneon 50% Injection8
Magnesium Sulphate InjectionMagnesium Sulphate 0.25% Injection1
TroymagTroymag 50% Injection168
Bjain Dinitrophenolum DilutionBjain Dinitrophenolum Dilution 1000 CH63
Schwabe Dinitrophenolum CHSchwabe Dinitrophenolum 1000 CH96
Neo Card N DropsADEL Neo Card N Drops 288
SBL B Trim DropsSBL B Trim Drops 132
Bjain Thyroidinum TabletBjain Thyroidinum Tablet 3X679
Schwabe Aurum muriaticum CHSchwabe Aurum muriaticum 10M CH148
SBL Thyroidinum DilutionSBL Thyroidinum Dilution 1000 CH86
SBL Thyroidinum Trituration TabletSBL Thyroidinum Trituration Tablet 6X 120
SBL Aurum Muriaticum Natronatum Trituration TabletSBL Aurum Muriaticum Natronatum Trituration Tablet 3X 157
Schwabe Thyroidinum LMSchwabe Thyroidinum 0/1 LM80
Bjain Thyroidinum DilutionBjain Thyroidinum Dilution 1000 CH63
Schwabe Aurum muriaticum LATTSchwabe Aurum muriaticum Trituration Tablet 3X140
SBL Aurum Muriaticum Trituration TabletSBL Aurum Muriaticum Trituration Tablet 6X 116
Dr. Reckeweg R19Dr. Reckeweg R19 176
Dr. Reckeweg R20Dr. Reckeweg R20 176

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


  1. National Heart, Lung, and Blood Institute [Internet]: U.S. Department of Health and Human Services; Arrhythmia
  2. Merck Manual Professional Version [Internet]. Kenilworth (NJ): Merck & Co. Inc.; Overview of Arrhythmias
  3. American Heart Association. Prevention and Treatment of Arrhythmia. [Internet]
  4. American Heart Association. Tachycardia: Fast Heart Rate. [Internet]
  5. MedlinePlus Medical Encyclopedia: US National Library of Medicine; Arrhythmias
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