Upload
uday-pal
View
104
Download
0
Embed Size (px)
Citation preview
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: 2014-15Email- [email protected]
Page 5
The Dengue Virus
Four types
Type 1 to 4
Transmitted by mosquito –
Indian national airliner for most
germs!
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
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
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.
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 Non dangerous form!
Page 13
What is the end result?
Complete recovery is the rule
Severe weakness many persist for many days after the
fever leaves us
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
Page 15
Symptoms of bleeding form
Bleeding into skin From Gums From Nose Into our food passages Blood in urine
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 identify the Dengue or its foot marks in
our blood
Urine to check protein leak
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
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 is a problem of poor families – No, The effluent
do get very sick
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
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
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