Shock syndrome, dengue
A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage (bleeding) and circulatory collapse (shock). Known also as dengue hemorrhagic fever (DHF), it starts abruptly with high continuous fever and headache plus respiratory and intestinal symptoms with sore throat, cough, nausea, vomiting, and abdominal pain. Shock occurs after 2 to 6 days with sudden collapse, cool clammy extremities, weak thready pulse, and blueness around the mouth (circumoral cyanosis). There is bleeding with easy bruising, blood spots in the skin (petechiae), spitting up blood (hematemesis), blood in the stool (melena), bleeding gums and nosebleeds (epistaxis). Pneumonia and heart inflammation (myocarditis) may be present. The mortality is appreciable ranging from 6 to 30%. Most deaths occur in children. Infants under a year of age are especially at risk of death. It is also called Philippine or Southeast Asian hemorrhagic fever.
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- Shock, anaphylactic
A life-threatening allergic reaction characterized by a swelling of body tissues including the throat, difficulty in breathing, and a sudden fall in blood pressure.
- 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 of the […]
- 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, primary
Sudden loss of blood pressure resulting in shock due to pain, fear, and other reactions experienced immediately after a severe injury.