Peds Happy Hearts, PLLC

Fainting and When to See a Cardiologist

Fainting, also known as syncope, is a sudden and temporary loss of consciousness that can be caused by a variety of factors. While syncope is not always a serious condition, it can sometimes be a sign of an underlying heart condition.

In this blog post, we’ll explore the link between syncope and heart health, and when you should consider seeing a heart doctor.

Causes of Fainting:

Syncope can be caused by a number of factors, including dehydration, low blood pressure, neurological conditions, certain medications, and heart conditions. Some of the heart conditions that can cause syncope include:

1. Arrhythmias, which are abnormal heart rhythms

2. Heart valve problems

3. Cardiomyopathy, which is a disease of the heart muscle

4. Pulmonary hypertension, which is high blood pressure in the lungs

5. Aortic stenosis, which is a narrowing of the heart’s aortic valve


The symptoms of syncope include:

  1. Sudden loss of consciousness
  2. Feeling lightheaded or dizzy
  3. Nausea
  4. Blurred vision
  5. Sweating
  6. Palpitations
  7. Confusion
  8. Headache

When to See a Cardiologist:

 If you experience syncope frequently or without an apparent trigger, it’s essential to talk to your doctor to determine the underlying cause. Your doctor may refer you to a cardiologist if they suspect that a heart condition is causing your syncope.

Some signs that you may need to see a cardiologist include:

1. A history of heart disease in your family

2. A personal history of heart disease, high blood pressure, or high cholesterol

3. Symptoms such as chest pain, shortness of breath, or palpitations

4. Abnormal results on an electrocardiogram (ECG) or other heart tests

5. Episodes of syncope that occur during exercise or exertion

Diagnostic Test:

Your doctor may recommend a blood test to determine the cause of your symptoms. Still, they may also recommend additional cardiac testing to ensure that you get the most accurate diagnosis possible.

  1. An Electrocardiogram (ECG) can help evaluate your heart’s electrical activity and identify any abnormal rhythms that may increase your risk of heart problems.
  2. Meanwhile, a heart monitor such as a Holter or event monitor or a mobile cardiac telemetry (MCT) monitor can help record your heart rate, rhythm, and activity over 24 hours up to 30 days to ensure that your doctor has all the necessary information.
  3. Another test that may be recommended is an echocardiogram, a type of heart ultrasound that assesses the anatomy and function of your heart before any invasive heart procedures.
  4. Finally, a stress treadmill test can help measure your heart rate, rhythm, and electrical conduction during exercise and can help diagnose certain heart conditions.

Treatment for Fainting:

Treatment for syncope will depend on the underlying cause of the condition.

If a heart condition is identified as the cause of syncope, your cardiologist may recommend medications, lifestyle changes, or procedures such as implantable devices or surgery to correct the problem.


Syncope can be a sign of an underlying heart condition, so it’s important to talk to your doctor if you experience syncope frequently or without an apparent trigger. If your doctor suspects a heart condition, they may refer you to a cardiologist for further evaluation and treatment. With the right care, you can manage your symptoms and maintain good heart health.

For an evaluation, please get in touch with Peds Happy Hearts at 406-272-2376 or schedule online.

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