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Fast heart rate
Heart rate altered
Low blood pressure    
Shortness of breath    

9 possible causes of "Fast heart rate, Heart rate a..."
Symptoms:
  • Sting injury
  • Fast heart rate
  • Heart rate altered
  • Low blood pressure
  • Shortness of breath
  • Pain
1. Anaphylaxis
For people with severe allergies, exposure to their allergen can result in a life-threatening reaction called anaphylaxis. Anaphylaxis is a severe allergic reaction to venom, food, or medication. Most cases o...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Heart murmurs
  • Fast heart rate
  • Heart rate altered
  • Low blood pressure
  • Shortness of breath
  • Liver enlarged
2. Congestive Heart Failure (CHF)
Congestive heart failure (CHF) is a chronic condition that affects the chambers of your heart. You have four heart chambers: two atria in the upper half of the heart and two ventricles in the lower half. Th...
Symptoms:
  • Bedwetting
  • Fast heart rate
  • Heart rate altered
  • Low blood pressure
  • Shortness of breath
  • Rapid breathing
3. 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...
Symptoms:
  • Fatigue
  • Fast heart rate
  • Heart rate altered
  • Low blood pressure
  • Shortness of breath
  • Loss of consciousness
4. Cardiogenic Shock
Cardiogenic shock is a state where the heart has been damaged to the point where it is unable to supply enough blood to the organs of the body. As a result of the failure of the heart to pump enough nutrients to th...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Absent pulse
  • Fast heart rate
  • Heart rate altered
  • Low blood pressure
  • Shortness of breath
  • Decreased urine output
5. Septic Shock
Septic shock is what happens as a complication of an infection where toxins can initiate a full-body inflammatory response. It often occurs in people who are elderly or have a weakened immune system. It is thought tha...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Abnormal heart rhythms
  • Fast heart rate
  • Heart rate altered
  • Low blood pressure
  • Shortness of breath
  • Stopped breathing
6. Pneumothorax (Collapsed Lung)
Pneumothorax is the medical term for a collapsed lung. Pneumothorax occurs when air becomes trapped in the space around the lungs-the pleural space. This can cause the lung to collapse and put pressure on the heart. Th...
Symptoms:
  • Headache
  • Fast heart rate
  • Heart rate altered
  • Low blood pressure
  • Shortness of breath
  • Ataxia
7. 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:
  • Wheezing
  • Fast heart rate
  • Heart rate altered
  • Low blood pressure
  • Shortness of breath
  • Moist skin
8. Pulmonary Embolism
A pulmonary embolism is a blood clot that affects the lungs. Typically, a blood clot travels from another area in the body before becoming lodged in one of the arteries that supply blood to the lungs. A pulmonar...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Pain
  • Fast heart rate
  • Heart rate altered
  • Low blood pressure
  • Shortness of breath
  • Nausea
9. Carbon Monoxide Poisoning
Carbon monoxide (CO) is a gas that is both odorless and colorless. It emanates from anything that produces combustion fumes. Common devices that produce these fumes include: heaters fireplaces car mufflers space heater...
This condition is considered a medical emergency. Urgent care may be required.

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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