What is dengue fever aetiology and pathology?
Dengue is a mosquito-transmitted virus and the leading cause of arthropod-borne viral disease in the world. It is also known as breakbone fever due to the severity of muscle spasms and joint pain, dandy fever, or seven-day fever because of the usual duration of symptoms.
What is the anatomy and physiology of dengue fever?
Dengue fever is a mosquito-borne viral infection which has a sudden onset that follows symptoms such as headache, nausea, weakness, intense muscle and joint pain, swelling of lymph nodes (lymphadenopathy), and rashes on the skin.
WHO dengue criteria?
Case definition for dengue shock syndrome All of the above four criteria for DHF must be present, plus evidence of circulatory failure manifested by: Rapid and weak pulse, and • Narrow pulse pressure (20 mmHg (2.7 kPa) ) or manifested by: • Hypotension for age,1 and • Cold, clammy skin and restlessness.
How does dengue hemorrhagic fever occur?
Dengue fever is transmitted by the bite of an Aedes mosquito infected with a dengue virus. The mosquito becomes infected when it bites a person with dengue virus in their blood. It can’t be spread directly from one person to another person.
Is dengue transmitted by kissing?
When taking a blood meal, an infected female mosquito injects its saliva into the human host to prevent the host’s blood from clotting and to ease feeding. This injection of saliva infects the host with the dengue virus.
Why is dengue called breakbone fever?
Dengue fever is a viral infection spread by Aedes aegypti or Aedes albopictus mosquitoes that may first be suspected if someone was bitten and suddenly spikes a very high fever. It is sometimes referred to as breakbone fever because of the severe muscle, bone, and joint pain it can cause.
How much platelets is normal in dengue?
The normal platelet count in the body ranges from 1.5 to 4 lacs, this can go down to as low as 20,000 to 40,000 in the case of dengue patients. This happens because: Dengue can damage your bone marrow, the platelet-producing centre of the body. The dengue virus can affect your blood cells and damage your platelets.
Can you cure dengue without going to hospital?
No specific treatment for dengue fever exists. While recovering from dengue fever, drink plenty of fluids. Call your doctor right away if you have any of the following signs and symptoms of dehydration: Decreased urination.
