What is dengue hemorrhagic fever DHF?
DHF is primarily a disease of children under the age of 15 years, although it may also occur in adults (1, 32). It is characterized by sudden onset of fever, which usually lasts for 2 to 7 days, and a variety of nonspecific signs and symptoms.
Does DHF involve a hemorrhagic fever?
Dengue virus is an infectious disease spread by mosquitoes. This specific virus is the cause of dengue hemorrhagic fever (DHF), a virus that has been reported in numerous countries around the world, with the first reported case in the kingdom in 1958.
Why is dengue called hemorrhagic fever?
The severe form of dengue fever, also called dengue hemorrhagic fever, can cause serious bleeding, a sudden drop in blood pressure (shock) and death.
WHO criteria dengue hemorrhagic fever?
The WHO criteria fordengue hemorrhagic fever are fever (2-7 days in duration or biphasic), minor or major hemorrhagic manifestations including a positive tourniquet test, thrombocytopenia (≤100,000/µL), and objective evidence of increased capillary permeability (hematocrit increased by ≥ 20%), pleural effusion or …
What is the difference between dengue hemorrhagic fever and dengue shock syndrome?
While DF is a simple, self-limiting febrile illness, DHF is a severe and potentially life-threatening condition. DHF/DSS is characterized by thrombocytopenia, with the resultant hemorrhagic manifestations; in addition, there is increased vascular permeability, resulting in depleted intravascular volume and shock.
How is dengue hemorrhagic fever diagnosed?
If an infection is suspected, you will get a blood test to check for the dengue virus. During a blood test, a health care professional will take a blood sample from a vein in your arm, using a small needle. After the needle is inserted, a small amount of blood will be collected into a test tube or vial.
How is DHF diagnosed?
What is the difference between dengue shock syndrome and dengue hemorrhagic fever?