Upload
sanjay-navale
View
218
Download
0
Tags:
Embed Size (px)
Citation preview
Dengue Fever(Pronounced as Dhen Gey)Facts we all need to knowbyDr.R.V.S.N.Sarma., M.D.,
Alternative NamesOnyong- Nyang FeverWest Nile FeverBreak Bone FeverDengue like Disease
Inter play of three factorsWEThe VirusThe MosquitoInteraction
The VirusDengue Virus
The Dengue VirusFour types (flavours)Type 1 to 4 (named very cleverly)Transmitted by mosquito Indian national airliner for most germs!
Dengue VirusElectron Micrograms
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!
Watch out ! This MosquitoDay biting normally catches us unawareLoves / lives in fresh water in homesLays 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
The Aircraft (Aedes aegypti)
This special mosquitoTransmitsManyDangerous illnesses
See our greatness!Prevalent from centuriesHighly prevalent now
Dengue FeverDengue viruses 4 flavours cause itIt is transmitted by a mosquito- the Aedes aegypti It is generally an animal virusMan is accidentally infectedOther vertebrates are the reservoirs
Dengue Transmission Cycle
Dengue colourful features!Clinical Features
Dengue PresentationsLike any other viral fever- not clear cutDengue Fever with Muscle pains this is classical presentation in 90% casesDengue Fever with bleeding in 7%Dengue the dangerous form in 3%
Bleeding from where?Bleeding into skin From GumsFrom NoseInto our food passagesBlood in urine
What do we experience ?27 days after the mosquito had its dinner on us we may developSudden onset of fever, chills, headacheBack pain with severe muscle and joint painsPain behind the eyes and on moving the eyesNick name - Break bone fever- pains so severe Red patches or spots on the skinMild nose bleedsThis is the ordinary classical Non dangerous form!
What is the end result?
Complete recovery is the rule Severe weakness many persist for many days after the fever leaves us
Skin bleeds
Dengue The bleeding formBlood vessels are affectedThere is severe oozing into tissuesBleeding into all possible parts of bodyBlood clotting mechanism is disruptedBlood pressure falls and many end in collapse and death In the best centers 5% of this type of Dengue will reach their forefathers
Bleeding into the eye
Large bleed into skin
Bleeding spots in skinDengueNormal
Rare types of DengueBrain feverLiver damageHeart damageSevere bleeding into stomach
What are the tests needed?Routine blood testTests to check the clotting processSpecial tests to identify the Dengue or its foot marks in our bloodUrine to check protein leak
Special Test (ELISA)ELISA PlateIgM-capture ELISA
Treatment of DengueSupportive measures Mosquito screenAvoid Aspirin and pain killersSteroids should not be usedPlenty of water and salt are requiredChildren below 12 require careful watchfor dangerous formNo antibiotics are of proven value
Child with severe form of DengueOxygenIV FluidsSpecial CareSee the tubes every whereFrightening, isnt it?
Common MisconceptionsSevere 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
Can we protect ourselves?There is no vaccine available as yetBut we can prevent the disease by preventing ourselves from mosquito bite
Mosquito ControlHow to prevent mosquito spread?Do not allow empty vessels, coconut shells, plastic containers, flower pots, tires etc to collect rain water in themFrequently (once in 2-3 days) empty all water storage containersCover your over tanks to prevent mosquitoes breeding in fresh water
How to prevent mosquito bites? Screen your homes with mosquito screens like Netlon - Wear full clothing long sleevesApply mosquito repellents like OdomosKeep Dengue fever patient under mosquito netTrue community participation is key
Each person is a Book !Each Day is a Learning Opportunity!!Learning has More Relevancetoday than ever !!!
We need to learn
Reach Yours Sincerely @Dr.SARMA RVSNVoice : +91-4116-2309226, 260593Mobile : +91- 93805 21221E-mail : [email protected] site : http://www.drsarma.inSnail mail :3, Jayanagar, Tiruvallur Tamilnadu, INDIAPin : 602 001
Thank You !