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Abnormal heart rhythms    
Dizziness    
Shortness of breath    

15 possible causes of "Abnormal heart rhythms, Dizzi..."
Symptoms:
  • Shortness of breath
  • Fainting
  • Abnormal heart rhythms
  • Dizziness
  • Chest pain
  • Palpitations
1. Abnormal Heart Rhythms
Have you ever felt your heart skip a beat? If you're not a character in a romance novel, that may mean you have an abnormal heart rhythm (arrhythmia). Within the heart is a complex system of valves, nodes, an...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Heart murmurs
  • Abnormal heart rhythms
  • Dizziness
  • Shortness of breath
  • Excessive yawning
  • Epigastric pain
2. Heart Attack Overview
In the movies, heart attacks are always very obvious. In reality, heart attacks aren't always so sudden or dramatic. Read our brief overview for information about heart attacks.
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Fast heart rate
  • General weakness
  • Abnormal heart rhythms
  • Dizziness
  • Shortness of breath
  • Blurred vision
3. High Blood Pressure Overview
Hypertension, or high blood pressure (HBP), increases the risk of heart attack, stroke & other health problems. Learn HBP symptoms & get treatment under an MD's care.
Symptoms:
  • Lightheadedness
  • Fatigue
  • Abnormal heart rhythms
  • Dizziness
  • Shortness of breath
  • Palpitations
4. Paroxysmal Supraventricular Tachycardia (PSVT)
Paroxysmal supraventricular tachycardia (PSVT) is a faster-than-normal heart rate. The term paroxysmal means that it only happens from time to time. In the case of PSVT, the rapid heart rate can last from a few minute...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Tired
  • Pain
  • Abnormal heart rhythms
  • Dizziness
  • Shortness of breath
  • Bounding pulse
5. Atrial Fibrillation and Flutter
Atrial fibrillation and atrial flutter are irregular heart rhythms that occur when the upper chambers of your heart (the atria) beat too fast.Atrial fibrillation can be sustained or can occur in bursts. It creates a...
Symptoms:
  • Sleep paralysis
  • Choking
  • Abnormal heart rhythms
  • Dizziness
  • Shortness of breath
  • Pain
6. Panic Disorder
Panic disorder occurs when you live in fear of having a panic attack. You are having a panic attack when you feel sudden, overwhelming terror that has no obvious cause. You may experience physical symptoms such as ...
Symptoms:
  • Disorders of communication
  • Ataxia
  • Abnormal heart rhythms
  • Dizziness
  • Shortness of breath
  • Loss of consciousness
7. Beriberi
Beriberi is a disease brought on by a Vitamin B-1 (thiamine) deficiency. There are two types of the disease: wet beriberi and dry beriberi . Wet beriberi can effect heart function and, in the most extreme cases, hear...
Symptoms:
  • Numbness
  • Drowsiness
  • Abnormal heart rhythms
  • Dizziness
  • Shortness of breath
  • Headache
8. Hypovolemic Shock
Hypovolemic shock is a life-threatening condition that results when you lose more than 20 percent (one-fifth) of your body's blood or fluid supply. This severe fluid loss makes it impossible for the heart to pum...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Loss of appetite
  • Heart rate altered
  • Abnormal heart rhythms
  • Dizziness
  • Shortness of breath
  • Pain
9. Drug Allergy Overview
Drug allergies are overblown responses of the immune system to prescription or over-the-counter drugs that aren't typically harmful. Learn more about symptoms, causes and treatments for allergic reactions to drugs.
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Shock
  • Deep breathing
  • Abnormal heart rhythms
  • Dizziness
  • Shortness of breath
  • Bedwetting
10. Caffeine Overdose
Caffeine overdose may occur when you ingest more than the recommended amount of caffeine, which is usually 200 to 300 mg per day. However, a safe amount of caffeine is different for everyone, as it depends on weight...

This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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