shock, cardiogenic Shock due to low blood output by the heart, most often seen in conjunction with heart failure or heart attack (myocardial infarction). In cardiogenic shock, the heart fails to pump blood effectively. For example, a heart attack (myocardial infarction) can cause an abnormal, ineffectual heartbeat (arrhythmia) with very slow, rapid, or irregular contractions…
shock, hemorrhagic Shock due to serious loss of blood. Symptoms include dizziness and loss of consciousness. Treatment includes intravenous fluids and blood transfusion. See also shock, hypovolemic.
shock, hypovolemic Shock due to a decrease in blood volume from bleeding, loss of blood plasma through severe burns, or dehydration. Symptoms include dizziness and loss of consciousness. This is the most frequent cause of shock. The primary treatment for hypovolemic shock is prompt intravenous administration of fluid and blood transfusion if necessary.
shock, psychological See post-traumatic stress disorder.
shock, septic Shock caused by bloodstream infection. Symptoms include dizziness and loss of consciousness. Treatment includes intravenous fluids and antibiotics. See also sepsis.
shock, shell See post-traumatic stress disorder.
shock, spinal Shock caused by injury to the spinal cord. Symptoms include numbness, tingling, loss of feeling sensation, dizziness, and loss of consciousness.
shock, vasogenic Shock caused by widening of the blood vessels, usually from medication. Symptoms include dizziness and loss of consciousness. Treatment includes lying supine, discontinuing the offending medication (if present), and fluid administration.
shock treatment See electroconvulsive therapy.
short arm of a chromosome See p arm of a chromosome.
shot, allergy See allergy desensitization.
shot, flu See influenza vaccine.