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Tachycardia in Dogs [Update 2024]

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Tachycardia in dogs

Supraventricular tachycardia is a heart problem present in dogs. This problem occurs in the chambers of the heart where ventricles are present. It is a type of arrhythmia that is found above the heart ventricles.

Ventricular tachycardia is present in the ventricles. You just need to check the heart rate of your dog. If your dog does not have a regular heartbeat, then maybe there is a chance that they are suffering from tachycardia.

What is a rapid heartbeat?

When there is an irregularity in the heartbeat and it is faster than normal, this is known as a rapid heartbeat. This is also known as arrhythmia.

There are two types of arrhythmia present: supraventricular tachycardia and ventricular tachycardia. If your dog does little activity even at rest, they get a rapid heartbeat, which means their heart muscles get weakened and destroyed, which causes a serious problem, even sometimes death.

Symptoms of Rapid Heart Beating in Dogs

How do you get to know if your dog is suffering from arrhythmia? A dog who suffers from rapid heart disease does not show you signs, but if he suffers for a long period, then it increases the risk of mortality. There are some things you can notice in your dog while they are suffering from a rapid heartbeat.

Their bodies start to weaken, and a rapid heartbeat causes some weakness in the dog’s body because the heart muscles get weakened.

They can feel lethargy if your dog does not play as before and always feels drowsy, even if they are not doing extra activity, so it is possible they suffer from a rapid heartbeat.

Abnormal breathing

When your dog does not breathe properly and starts to do rapid breathing, they are facing difficulties in breathing, which is also a symptom of a rapid heartbeat.

Coughing is another symptom; they get sudden fainting, and maybe their body collapses. All the signs belong to arrhythmia.

Types of Tachycardia


This causes abnormal electrical impulses in the heart and causes the destruction of heart muscle tissue. It also causes mortality.


when the muscles of the heart weaken and cause sudden cardiac death if there is no proper diagnosis.


If your dog displays abnormal things and their heartbeats are not regular, then you must go to the vet without any delay. If you deal with this problem without delay, then you can deal with it properly; otherwise, your dog will get a cardiac attack, which will cause sudden death.

Here, down below, you can find some causes of arrhythmia.

  • This is a systematic disease that can affect the entire body.
  • It can occur through genetics.
  • If the level of calcium and potassium gets abnormal, it will also cause arrhythmia.
  • Any gastrointestinal disease, trauma, or any kind of splenic disorder.

In any case, if you find a quick run to the vet, give them the proper information and follow their instructions from time to time. There are kits of therapy that can be provided to your dog to remove the problem, so take care of them, because now they want more attention from you.

People also ask:

  1. How do you treat tachycardia in dogs?
    Anti-arrhythmic drugs such as lidocaine, procainamide, and sotalol
  2. What drugs are used in veterinary tachycardia?
    Diltiazem, sotalol, atenolol, and amiodarone
  3. What medication is used to slow a dog’s heart rate?
  4. Is there a way to cure tachycardia?
    Medication can’t cure tachycardia
  5. How can I increase my dog’s oxygen level?
    Oxygen mask


The website surely does not guarantee the 100% accuracy of the figures. The above information is sourced from Google, various websites, and news media reports.

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