Shock

Definition

Shock occurs when inadequate blood flow threatens the function of multiple organs. Shock is a potentially life-threatening condition. The sooner it is treated, the better the outcome. If you suspect someone is in shock, call for medical help right away.

Causes

Some causes of shock include:
  • Heart failure
  • Heart attack
  • Spinal cord injury
  • Infection of the blood— sepsis
  • Other severe infection
  • Allergic reaction
  • Poisoning
  • Loss of blood volume (hypovolemia)—this can be from severe bleeding or severe dehydration
  • Heatstroke
  • Trauma
  • Severe hypoglycemia
  • Stroke

Risk Factors

Factors that may increase your chance of shock include:
  • Pre-existing heart or blood vessel disease
  • Impaired immunity
  • Severe allergies
  • Severe trauma
  • Diabetes

Symptoms

The symptoms of shock depend on the cause.Symptoms may include:
  • Weakness
  • Altered mental status
  • Cool and clammy skin
  • Pale or mottled skin color
  • Low blood pressure
  • Decreased urination
  • Weak and rapid pulse
  • Slow and shallow or rapid and deep breathing
  • Lackluster (dull) eyes
  • Dilated pupils
  • High or low body temperature
Symptom of Shock
Dilated and Constricted pupil
Copyright © Nucleus Medical Media, Inc.

Diagnosis

A physical exam will be done.Tests may include the following:
  • Breathing assessment
  • Blood pressure measurement
  • Heart rate monitoring
  • Other testing depending on the cause of shock
    • Blood tests and cultures
    • Electrocardiogram
    • Imaging studies

Treatment

Treatment options include the following:

Breathing Resuscitation

If you are having trouble breathing, your doctor will clear your airway. Oxygen and breathing assistance may be provided if you need it.

Optimizing Blood Pressure and Heart Rate

You will receive an IV for fluids and/or blood transfusions. These will stabilize your blood pressure and heart rate.
Insertion of IV for Transfusion or Medications
IV insertion
Copyright © Nucleus Medical Media, Inc.

Medications

You may be given vasopressors. These medications constrict your blood vessels to increase blood pressure. Drugs may also be used to increase your heart contractions. Other medications may be used depending on the underlying cause.

Prevention

To help reduce your chance of shock:
  • Prevent or control heart or vascular disease.
  • Avoid activities that put you at risk of falls or other injuries.
  • Carry an epinephrine pen with you if you have a severe allergy.
  • Manage conditions, such as diabetes, as advised by your doctor.

RESOURCES

American College of Emergency Physicians
http://www.acep.org

National Heart, Lung, and Blood Institute
http://www.nhlbi.nih.gov

CANADIAN RESOURCES

Canadian Association of Emergency Physicians
http://caep.ca

Canadian Red Cross
http://www.redcross.ca

References

Hypovolemic shock. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated December 3, 2013. Accessed January 7, 2014.

The signs of hypovolemic shock. Health Guidance website. Available at: http://www.healthguidance.org/entry/12784/1/The-Signs-of-Hypovolemic-Shock.html. Accessed January 7, 2014.

Explore cardiogenic shock. National Heart, Lung, and Blood Institute website. Available at: http://www.nhlbi.nih.gov/health/health-topics/topics/shock. Accessed January 7, 2013.

Revision Information

leave comments
0
Did you like this? Share with your family and friends.
Related Topics:
Current Research From Top Journals


Early Peanut Consumption Associated with Lower Risk of Peanut Allergy in High Risk Children
March 2015

Many medical groups felt that early exposure to certain foods like peanuts increased a child's risk of developing food allergies. However, newer research including this trial suggest that early exposure may actually decrease the risk of developing food allergies.

dot separator
previous editions

Breastfeeding May Decrease the Risk of Childhood Obesity
February 2015

Tonsillectomy May Reduce Number of Sore Throat Days in Children
February 2015

Research Review Finds Little Support for Nearly Half of Medical Talk Show Recommendations
January 2015

dashed separator

Advertisement

Our Free Newsletter
click here to see all of our uplifting newsletters »

 

Advertisement

Advertisement

DiggDeliciousNewsvineRedditStumbleTechnoratiFacebook