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Topic:Topic: Dengue
Fever
Facts we all need to know
School Name : Ramakrishna Mission Vidyalaya,
Viveknagar, Tripura, West...
Page  2
Alternative Names
 Onyong- Nyang Fever
 West Nile Fever
 Break Bone Fever
 Dengue like Disease
Page  3
Inter play of three factors
WE
The Virus The Mosquito
Interaction
Page  4
The Virus
Dengue
Virus
Page  5
The Dengue Virus
Four types
 Type 1 to 4
 Transmitted by mosquito –
Indian national airliner for most
germs!
Page  6
Dengue Virus
Electron Micrograms
Page  7
The Aircraft for Dengue
Aedes aegypti
(Infected Female Mosquito)
Page  8
Watch out ! This Mosquito
 Day biting – normally catches us unaware
 Loves / lives in fresh water in homes
 La...
Page  9
Geographical distribution
Prevalent from centuries Highly prevalent now
Page  10
Dengue Fever
 Dengue viruses – 4 flavours cause it
 It is transmitted by a mosquito- the Aedes aegypti
 It is...
Page  11
Types of dengue!
 Classical form: Dengue Fever with Muscle pains
this is classical presentation in 90% cases.
...
Page  12
What do we experience ?
 2–7 days after the mosquito had its dinner
on us we may develop
 Sudden onset of feve...
Page  13
What is the end result?
 Complete recovery is the rule
 Severe weakness many persist for many days after the
f...
Page  14
Dengue – The bleeding form
 Blood vessels are affected
 There is severe oozing into tissues
 Bleeding into al...
Page  15
Symptoms of bleeding form
 Bleeding into skin
 From Gums
 From Nose
 Into our food passages
 Blood in urine
Page  16
Skin bleeds
Page  17
Bleeding into the eye
Page  18
Large bleed into skin
Page  19
Bleeding spots in skin
Dengue
Normal
Page  20
Rare types of Dengue ( dengue
shock)
 Brain fever
 Liver damage
 Heart damage
 Severe bleeding into
stomach
Page  21
What are the tests needed?
 Routine blood test
 Tests to check the clotting process
 Special tests to identif...
Page  22
Special Test (ELISA)
ELISA Plate IgM-capture ELISA
Page  23
Treatment of Dengue
 Supportive measures – Mosquito screen
 Avoid pain killers
 Steroids should not be used
...
Page  24
Child with severe form of
Dengue
Oxygen
IV Fluids
Special Care
See the tubes
every where
Frightening, isn’t it?
Page  25
Common Misconceptions
 Severe Dengue is only a childhood illness –
No, All ages may be involved
 Severe form i...
Page  26
Can we protect ourselves?
 There is no vaccine available as yet
 But we can prevent the disease by preventing ...
Page  27
Mosquito Control
How to prevent mosquito spread?
1. Do not allow empty vessels, coconut shells,
plastic containe...
Page  28
How to prevent mosquito bites?
 Screen your homes with mosquito
screens
 Wear full clothing – long sleeves
 A...
Page  29
Thank You !
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Dengu fever final

Dengue fever (UK /ˈdɛŋɡeɪ/ or US /ˈdɛŋɡiː/), also known as breakbone fever, is a mosquito-borne tropical disease caused by the dengue virus. Symptoms include fever, headache, muscle and joint pains, and a characteristic skin rash that is similar to measles. In a small proportion of cases the disease develops into the life-threatening dengue hemorrhagic fever, resulting in bleeding, low levels of blood platelets and blood plasma leakage, or into dengue shock syndrome, where dangerously low blood pressure occurs.

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Dengu fever final

  1. 1. Topic:Topic: Dengue Fever Facts we all need to know School Name : Ramakrishna Mission Vidyalaya, Viveknagar, Tripura, West Affiliated to CBSE, New Delhi Digital eContent Submitted by: Name of the Teacher : Mr. Uday Pal(PGT) Year: 2014-15 Email- udaysc@yahoo.com
  2. 2. Page  2 Alternative Names  Onyong- Nyang Fever  West Nile Fever  Break Bone Fever  Dengue like Disease
  3. 3. Page  3 Inter play of three factors WE The Virus The Mosquito Interaction
  4. 4. Page  4 The Virus Dengue Virus
  5. 5. Page  5 The Dengue Virus Four types  Type 1 to 4  Transmitted by mosquito – Indian national airliner for most germs!
  6. 6. Page  6 Dengue Virus Electron Micrograms
  7. 7. Page  7 The Aircraft for Dengue Aedes aegypti (Infected Female Mosquito)
  8. 8. Page  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. 9. Page  9 Geographical distribution Prevalent from centuries Highly prevalent now
  10. 10. Page  10 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
  11. 11. Page  11 Types of dengue!  Classical form: Dengue Fever with Muscle pains this is classical presentation in 90% cases.  Bleeding form: Dengue Fever with bleeding in 7% cases.  Dengue shock: In 3% cases.
  12. 12. Page  12 What do we experience ?  2–7 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
  13. 13. Page  13 What is the end result?  Complete recovery is the rule  Severe weakness many persist for many days after the fever leaves us
  14. 14. Page  14 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
  15. 15. Page  15 Symptoms of bleeding form  Bleeding into skin  From Gums  From Nose  Into our food passages  Blood in urine
  16. 16. Page  16 Skin bleeds
  17. 17. Page  17 Bleeding into the eye
  18. 18. Page  18 Large bleed into skin
  19. 19. Page  19 Bleeding spots in skin Dengue Normal
  20. 20. Page  20 Rare types of Dengue ( dengue shock)  Brain fever  Liver damage  Heart damage  Severe bleeding into stomach
  21. 21. Page  21 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
  22. 22. Page  22 Special Test (ELISA) ELISA Plate IgM-capture ELISA
  23. 23. Page  23 Treatment of Dengue  Supportive measures – Mosquito screen  Avoid 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
  24. 24. Page  24 Child with severe form of Dengue Oxygen IV Fluids Special Care See the tubes every where Frightening, isn’t it?
  25. 25. Page  25 Common Misconceptions  Severe Dengue is only a childhood illness – No, All ages may be involved  Severe form is a problem of poor families – No, The effluent do get very sick
  26. 26. Page  26 Can we protect ourselves?  There is no vaccine available as yet  But we can prevent the disease by preventing ourselves from mosquito bite
  27. 27. Page  27 Mosquito Control How to prevent mosquito spread? 1. Do not allow empty vessels, coconut shells, plastic containers, flower pots, tires etc to collect rain water in them 2. Frequently (once in 2-3 days) empty all water storage containers 3. Cover your over tanks to prevent mosquitoes breeding in fresh water
  28. 28. Page  28 How to prevent mosquito bites?  Screen your homes with mosquito screens  Wear full clothing – long sleeves  Apply mosquito repellents  Keep Dengue fever patient under mosquito net  True community participation is key           
  29. 29. Page  29 Thank You !

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  • VeeraBalu

    Sep. 28, 2019

Dengue fever (UK /ˈdɛŋɡeɪ/ or US /ˈdɛŋɡiː/), also known as breakbone fever, is a mosquito-borne tropical disease caused by the dengue virus. Symptoms include fever, headache, muscle and joint pains, and a characteristic skin rash that is similar to measles. In a small proportion of cases the disease develops into the life-threatening dengue hemorrhagic fever, resulting in bleeding, low levels of blood platelets and blood plasma leakage, or into dengue shock syndrome, where dangerously low blood pressure occurs.

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