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Lightheadedness
Dizziness    
Shortness of breath    

12 possible causes of "Lightheadedness, Dizziness, S..."
Symptoms:
  • Heart murmurs
  • Back pain
  • Lightheadedness
  • Dizziness
  • Shortness of breath
  • General weakness
1. 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:
  • Shortness of breath
  • Fainting
  • Lightheadedness
  • Dizziness
  • Chest pain
  • Abnormal heart rhythms
2. 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:
  • Sleep paralysis
  • Vomiting
  • Lightheadedness
  • Dizziness
  • Shortness of breath
  • Abnormal heart rhythms
3. 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:
  • Nosebleed
  • Dizziness
  • Lightheadedness
  • Shortness of breath
  • Diplopia
  • Erectile dysfunction
4. 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:
  • Pain
  • Blood in stool
  • Lightheadedness
  • Dizziness
  • Shortness of breath
  • Clammy skin
5. Bleeding
Bleeding is the name commonly used to describe blood loss. It can refer to blood loss inside the body (internal bleeding) or blood loss outside of the body (external bleeding). Blood loss can occur in almost any area o...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Lightheadedness
  • Low blood pressure
  • Dizziness
  • Shortness of breath
  • Weak pulse
  • Fluttering heart
6. Ventricular Tachycardia
Ventricular tachycardia (VT) is a very fast heartbeat caused by a malfunction in one of the heart's ventricles. It is a pulse of more than 100 beats per minute with at least three irregular heartbeats in a row. VT ca...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Tired
  • Pain
  • Lightheadedness
  • Dizziness
  • Shortness of breath
  • Fatigue
7. 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:
  • Lightheadedness
  • Fatigue
  • Dizziness
  • Shortness of breath
  • Palpitations
  • Abnormal heart rhythms
8. 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:
  • Poor balance
  • Vomiting
  • Lightheadedness
  • Dizziness
  • Shortness of breath
  • Difficulty falling asleep
9. Acute Mountain Sickness
Hikers, skiers and adventurers who travel to high altitudes can sometimes develop acute mountain sickness, also referred to as altitude sickness or high altitude pulmonary edema. It typically occurs at about 8,000 fee...
Symptoms:
  • Low blood pressure
  • Pain
  • Lightheadedness
  • Dizziness
  • Shortness of breath
  • Drowsiness
10. The Catastrophy of Cardiac Tamponade
Cardiac tamponade is a condition where the sac that encases your heart fills with fluid and then puts pressure on your heart. This undue pressure keeps the heart from filling with blood properly. When this happens, th...
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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