Elevated Heart Rate: When to Seek Cardiac Care

What type of medical care is needed?

A pulse rate exceeding 100 beats per minute, known as tachycardia, can be caused by various factors including stress, anxiety, fever, dehydration, anemia, hyperthyroidism, or heart-related conditions.
It is advisable to undergo an electrocardiogram (ECG) to assess the heart's electrical activity, especially if you are currently taking medications for heart rhythm issues.
It is best to consult your physician for personalized advice and further evaluation.

Wu, 30~39 year old female. Ask Date: 2015/08/21

Dr. He Dongjin reply Cardiology

Hello, you should have seen a doctor before taking the antiarrhythmic medication.
If your doctor has assessed that there are no issues, there is no need to be overly anxious.
Diagnoses made by online physicians who have not seen the patient in person may not be as reliable as those made by outpatient doctors.
Changhua Hospital cares about you.

Reply Date: 2015/08/21

More Info

Elevated heart rate, or tachycardia, is defined as a resting heart rate exceeding 100 beats per minute (bpm). This condition can arise from various physiological and pathological factors, and understanding the underlying causes is crucial for determining when to seek cardiac care.

Common Causes of Elevated Heart Rate
1. Physiological Responses:
- Exercise: Physical activity naturally increases heart rate to supply more oxygen to the muscles.

- Stress and Anxiety: Emotional responses can trigger the release of adrenaline, leading to an increased heart rate.

- Fever: Elevated body temperature can increase metabolic demands, resulting in a faster heart rate.

2. Medical Conditions:
- Hyperthyroidism: An overactive thyroid gland can accelerate metabolism, causing an increased heart rate.

- Anemia: A reduced number of red blood cells can lead to a compensatory increase in heart rate to maintain oxygen delivery.

- Heart Conditions: Arrhythmias, heart failure, or previous myocardial infarction can lead to abnormal heart rhythms and elevated rates.

3. Substances:
- Stimulants: Caffeine, nicotine, and certain medications can increase heart rate.

- Alcohol and Drugs: Excessive alcohol consumption and recreational drugs can also lead to tachycardia.

When to Seek Cardiac Care
If you are experiencing an elevated heart rate, it is essential to consider accompanying symptoms. You should seek medical attention if you experience any of the following:
- Chest Pain or Discomfort: This could indicate a serious cardiac issue.

- Shortness of Breath: Difficulty breathing may suggest heart failure or other serious conditions.

- Dizziness or Lightheadedness: These symptoms could indicate inadequate blood flow to the brain.

- Palpitations: A sensation of a racing or irregular heartbeat can be concerning, especially if it is new or worsening.

- Syncope: Fainting or near-fainting episodes require immediate evaluation.

Diagnostic Approaches
If you are experiencing a consistently elevated heart rate, your healthcare provider may recommend diagnostic tests, including:
- Electrocardiogram (ECG): This test records the electrical activity of your heart and can help identify arrhythmias or other heart conditions.

- Holter Monitor: A portable ECG device worn for 24 hours or longer to capture heart rhythm over time.

- Blood Tests: To check for thyroid function, anemia, or other metabolic issues.

Medication Considerations
If you are currently taking medications for heart rhythm issues, it's essential to discuss any changes in your heart rate with your healthcare provider. They may need to adjust your medication or explore other treatment options based on your symptoms and diagnostic findings.

Conclusion
In summary, an elevated heart rate can result from various factors, including physiological responses, medical conditions, and substance use. It is crucial to monitor your symptoms and seek medical care if you experience concerning signs. Regular follow-ups with your healthcare provider and adherence to prescribed medications are vital for managing your heart health effectively. If you have any doubts or experience new symptoms, do not hesitate to reach out to your healthcare provider for further evaluation and guidance.

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