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Loss of consciousness
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40 possible causes of 'Loss of consciousness'
1. Unconsciousness - first aid
Unconsciousness is when a person is unable to respond to people and activities. Often, this is called a coma ...
This condition is considered a medical emergency. Urgent care may be required.

Symptoms:

  • Loss of consciousness
2. Cardiogenic shock
Cardiogenic shock is a state in which the heart has been damaged so much that it is unable to supply enough b...
This condition is considered a medical emergency. Urgent care may be required.

Symptoms:

  • Fatigue
  • Drowsiness
  • Lethargy
  • Pale skin
  • Loss of consciousness
Click to view article 3. Eclampsia
Eclampsia is seizures(convulsions) in a pregnant woman that are not related to brain conditions.
This condition is considered a medical emergency. Urgent care may be required.

Symptoms:

  • Muscle pain
  • Double-vision
  • Pain
  • Coma
  • Loss of consciousness
4. Hypovolemic shock
Hypovolemic shock is an emergency condition in which severe blood and fluid loss makes the heart unable to pu...
This condition is considered a medical emergency. Urgent care may be required.

Symptoms:

  • Drowsiness
  • Dizziness
  • Headache
  • Numbness
  • Loss of consciousness
5. Epidural Hematoma
An epidural hematoma is a pocket of blood that forms immediately outside the dura mater. The dura mater is th...
This condition is considered a medical emergency. Urgent care may be required.

Symptoms:

  • Black and blue marks
  • Loss of appetite
  • Black eye
  • Worst headache ever
  • Loss of consciousness
Click to view article 6. Transient ischemic attack
A transient ischemic attack(TIA) is an episode in which a person has stroke-like symptoms for less than 24 ho...
This condition is considered a medical emergency. Urgent care may be required.

Symptoms:

  • Hazy vision
  • Amnesia, temporary
  • Unable to speak
  • Clumsiness
  • Loss of consciousness
Click to view article 7. Choking - adult or child over 1 year
Anyone who is choking should have a medical examination. Complications can occur not only from the choking, b...
This condition is considered a medical emergency. Urgent care may be required.

Symptoms:

  • Peripheral cyanosis
  • High-pitched breath sounds
  • Throat tightness
  • Unable to speak
  • Loss of consciousness
Click to view article 8. Subdural hematoma
A subdural hematoma is a collection of blood on the surface of the brain.Subdural hematomas are usually the r...
This condition is considered a medical emergency. Urgent care may be required.

Symptoms:

  • Nausea
  • Black eye
  • Different size pupils
  • Slurred speech
  • Loss of consciousness
Click to view article 9. Dehydration
Dehydration means your body does not have as much water and fluids as it should. Dehydration can be caused by...
This condition is considered a medical emergency. Urgent care may be required.

Symptoms:

  • Abnormal urine odor
  • Coma
  • No urine output
  • Chapped lips
  • Loss of consciousness
Click to view article 10. Epilepsy
Epilepsy is a brain disorder involving repeated, spontaneous seizures of any type. Seizures("fits," convulsio...

Symptoms:

  • Stops breathing
  • Dilated pupils
  • Flushing
  • Fatigue
  • Loss of consciousness
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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