Dengue Fever (Pronounced as Dhen Gey) - PowerPoint PPT Presentation

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Dengue Fever (Pronounced as Dhen Gey)

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Dengue Fever (Pronounced as Dhen Gey) Facts we all need to know by Dr.R.V.S.N.Sarma., M.D., Reach Yours Sincerely _at_ Dr.SARMA RVSN Voice : +91-4116-2309226, 260593 ... – PowerPoint PPT presentation

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Title: Dengue Fever (Pronounced as Dhen Gey)


1
Dengue Fever(Pronounced as Dhen Gey)
  • Facts we all need to know
  • by
  • Dr.R.V.S.N.Sarma., M.D.,

2
Alternative Names
  • Onyong- Nyang Fever
  • West Nile Fever
  • Break Bone Fever
  • Dengue like Disease

3
Inter play of three factors
WE
Interaction
The Virus
The Mosquito
4
The Virus
  • Dengue Virus

5
The Dengue Virus
  • Four types (flavours)
  • Type 1 to 4 (named very cleverly)
  • Transmitted by mosquito
  • Indian national airliner for most germs!

6
Dengue Virus
Electron Micrograms
7
The Aircraft for Dengue
Difficult name to pronounce? We have to ask its
parents (Zoologists) Aedes aegypti (Infected
Female Mosquito) mostly females are dangerous
anyway joking!
8
Watch out ! This Mosquito
  • Day biting normally catches us unaware
  • Loves / lives in fresh water in homes
  • Lays eggs preferentially in jars, discarded
    containers, coconut shells, old tires etc.
  • Year round breeding
  • Tropical regions like our mother India are its
    favorite zones.
  • It is an urban mosquito

9
The Aircraft (Aedes aegypti)
10
This special mosquito
Transmits Many Dangerous illnesses
11
See our greatness!
Prevalent from centuries
Highly prevalent now
12
Dengue Fever
  • Dengue viruses 4 flavours cause it
  • It is transmitted by a mosquito- the Aedes
    aegypti
  • It is generally an animal virus
  • Man is accidentally infected
  • Other vertebrates are the reservoirs

13
Dengue Transmission Cycle
14
Dengue colourful features!
  • Clinical Features

15
Dengue Presentations
  • Like any other viral fever- not clear cut
  • Dengue Fever with Muscle pains
  • this is classical presentation in 90 cases
  • Dengue Fever with bleeding in 7
  • Dengue the dangerous form in 3

16
Bleeding from where?
  • Bleeding into skin
  • From Gums
  • From Nose
  • Into our food passages
  • Blood in urine

17
What do we experience ?
  • 27 days after the mosquito had its dinner on us
    we may develop
  • Sudden onset of fever, chills, headache
  • Back pain with severe muscle and joint pains
  • Pain behind the eyes and on moving the eyes
  • Nick name - Break bone fever- pains so severe
  • Red patches or spots on the skin
  • Mild nose bleeds
  • This is the ordinary classical
  • Non dangerous form!

18
What is the end result?
  • Complete recovery is the rule
  • Severe weakness many persist for many days
    after the fever leaves us

19
Skin bleeds
20
Dengue The bleeding form
  • Blood vessels are affected
  • There is severe oozing into tissues
  • Bleeding into all possible parts of body
  • Blood clotting mechanism is disrupted
  • Blood pressure falls and many end in collapse and
    death
  • In the best centers 5 of this type of Dengue
    will reach their forefathers

21
Bleeding into the eye
22
Large bleed into skin
23
Bleeding spots in skin
Normal
Dengue
24
Rare types of Dengue
  • Brain fever
  • Liver damage
  • Heart damage
  • Severe bleeding into stomach

25
What are the tests needed?
  • Routine blood test
  • Tests to check the clotting process
  • Special tests to identify the Dengue or
    its foot marks in our blood
  • Urine to check protein leak

26
Special Test (ELISA)
ELISA Plate
IgM-capture ELISA
27
Treatment of Dengue
  • Supportive measures Mosquito screen
  • Avoid Aspirin and pain killers
  • Steroids should not be used
  • Plenty of water and salt are required
  • Children below 12 require careful watch
  • for dangerous form
  • No antibiotics are of proven value

28
Child with severe form of Dengue
Oxygen IV Fluids Special Care See the tubes
every where Frightening, isnt it?
29
Common Misconceptions
  • Severe Dengue is only a childhood illness
  • No, All ages may be involved
  • Sever form is a problem of poor families No,
    The effluent do get very sick

30
Can we protect ourselves?
  • There is no vaccine available as yet
  • But we can prevent the disease by preventing
    ourselves from mosquito bite

31
Mosquito Control
  • How to prevent mosquito spread?
  • Do not allow empty vessels, coconut shells,
    plastic containers, flower pots, tires etc to
    collect rain water in them
  • Frequently (once in 2-3 days) empty all water
    storage containers
  • Cover your over tanks to prevent mosquitoes
    breeding in fresh water

32
How to prevent mosquito bites?
  • Screen your homes with mosquito screens like
    Netlon -
  • Wear full clothing long sleeves
  • Apply mosquito repellents like Odomos
  • Keep Dengue fever patient under
    mosquito net
  • True community participation is key
  •           

33
We need to learn
  • Each person is a Book !
  • Each Day is a Learning Opportunity!!
  • Learning has More Relevance
  • today than ever !!!

34
Reach Yours Sincerely _at_
  • Dr.SARMA RVSN
  • Voice 91-4116-2309226, 260593
  • Mobile 91- 93805 21221
  • E-mail sarma.rvsn_at_gmail.com
  • Web site http//www.drsarma.in
  • Snail mail 3, Jayanagar, Tiruvallur
  • Tamilnadu, INDIA
  • Pin 602 001

35
Thank You !
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