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D E N G U E
D E N G U E
Submitted By - Kumar Pranav ( BPT
3rd Year)
SHUATS, PRAYAGARAJ , UP
Submitted To - Surabhi Mam
Assistant professor of physiotherapy
Subject - Community Medicine
DENGUE FEVER
(Breakbone Fever)
• Mortality is 1-5 % without treatment.
• Dengue is endemic in more than 110 countries
• Infection rate range b/w 50-100 million people/ year
• Approx - 12 -25000 death's / year.
• It's a global problem since 2nd world War.
• Dengue fever virus ( DENV ) is RNA Virus family - flaviviridia, genus - flavivirus
• Most are transmitted by arthropods ( mosquito/ticks)
• 4 types of virus
EPIDEMIOLOGY
Serotype
• DENV 1
• DENV 2
• DENV
3
• DENV 4
TRANSMISSION
• Transmitted by several species of mosquito.
• Dengue virus is primarily transmitted by Aedes mosquito particularly A.aegypti
(they bite during day mostly)
• some other species
( A.albopictus, A.polynesiensis & A.scutellars
• Humans are primary host of virus
• Singal bite is enough tonacquire this virus.
Do you know female?
Mosquito that takes blood meal from person infected with this fever Becomes itself
infected with virus.
8-10 days later virus spread to other tissue, including mosquitoes salivary gland.
PATHOPHYSIOLOGY
• Mosquito carrying dengue virus bits person
• Virus enters skin together with Mosquito saliva
• It binds & enters WBC & reproduces inside cells while they move throughout
body
• In Severe infection, vimy production inside body is increases & other organs
can be affected & fluid from bloodstream leaks through wall of small blood
vessels into body cavities.
• This results , Reduce blood flood in vessels & BD decreases it can't Supply
blood to vital organ .
• Dysfunction of bone marrow leads to reduce number of platelets necessary for
effective blood clotting , this increases risk of bleeding.
SIGNS & SYMPTOMS
• Fever (more than 105)
• Headache
• Incubation period 3-14 days but often it is 4-7 days
• Muscle & Joint pains
• Nausea
• Pain behind eyes
In small porportion of causes disese develop into life-threating dengue hemorrhagic fever.
• Fever More than 105
• Headache
• Incubation period 3-14 days but often it is 4-7 days
• Muscle & Joint pains
• Nausea
• Pain behind eyes
• Vomitting
In small poportion of cases discase develop into life-threating ' dengue
hemorrhagic fever '
WARNING SIGNS
3 PHASES
3
PHASES
• FEBRILE PHASE
• CRITICAL PHASE
• RECOVERY
PHASE
FEBRILE PHASE
• Headache
• Generalised
• High fever
• Rashes (1/2 days of symptoms as flushed skin)
• Petechiae Csmall red spot)
CRITICAL
PHASE
• High Fever
• Fluid accumulation in chest & abdominal cavity due to increased capillary
permeability
• Leads to depletion of fluid from Circulation & to Blood supply to vital organ
• Organ dysfunction & severe bleeding
• Shock & hemorrhage occur in less than 5% of all dengue Cases
RECOVERY PHASES
• resorption of leaked fluid into bloodstream
• last's 2-3 days
• Itching & Decrease HR
• Fluid overload occurs if it affected brain, causes decrease Consciousness /
Seizures
DIAGNOSIS
• Clinically done
• Changes detected on lab investigation ( decrease WBC, decrease platelets)
• probable diagnosis based on finding oof fever + nemsea, rash, pain, etc
MANAGEMEN
T
MANAGEMEN
T
• Oral Rehabilitation
Therapy
• Blood Transfusion
• IV Fluid
PREVENTION
PREVENTIO
N
• No approved vaccines for dengue
• Prevention depends on control of
& protection from mosquito bikes
that transmit it.
T h a n k
y o u

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DENGUE Department of Physiotherapy, SHUATS, Prayagraj

  • 1. D E N G U E
  • 2. D E N G U E Submitted By - Kumar Pranav ( BPT 3rd Year) SHUATS, PRAYAGARAJ , UP Submitted To - Surabhi Mam Assistant professor of physiotherapy Subject - Community Medicine
  • 4. • Mortality is 1-5 % without treatment. • Dengue is endemic in more than 110 countries • Infection rate range b/w 50-100 million people/ year • Approx - 12 -25000 death's / year. • It's a global problem since 2nd world War. • Dengue fever virus ( DENV ) is RNA Virus family - flaviviridia, genus - flavivirus • Most are transmitted by arthropods ( mosquito/ticks) • 4 types of virus EPIDEMIOLOGY Serotype • DENV 1 • DENV 2 • DENV 3 • DENV 4
  • 5. TRANSMISSION • Transmitted by several species of mosquito. • Dengue virus is primarily transmitted by Aedes mosquito particularly A.aegypti (they bite during day mostly) • some other species ( A.albopictus, A.polynesiensis & A.scutellars • Humans are primary host of virus • Singal bite is enough tonacquire this virus. Do you know female? Mosquito that takes blood meal from person infected with this fever Becomes itself infected with virus. 8-10 days later virus spread to other tissue, including mosquitoes salivary gland.
  • 6. PATHOPHYSIOLOGY • Mosquito carrying dengue virus bits person • Virus enters skin together with Mosquito saliva • It binds & enters WBC & reproduces inside cells while they move throughout body • In Severe infection, vimy production inside body is increases & other organs can be affected & fluid from bloodstream leaks through wall of small blood vessels into body cavities. • This results , Reduce blood flood in vessels & BD decreases it can't Supply blood to vital organ . • Dysfunction of bone marrow leads to reduce number of platelets necessary for effective blood clotting , this increases risk of bleeding.
  • 7. SIGNS & SYMPTOMS • Fever (more than 105) • Headache • Incubation period 3-14 days but often it is 4-7 days • Muscle & Joint pains • Nausea • Pain behind eyes In small porportion of causes disese develop into life-threating dengue hemorrhagic fever.
  • 8. • Fever More than 105 • Headache • Incubation period 3-14 days but often it is 4-7 days • Muscle & Joint pains • Nausea • Pain behind eyes • Vomitting In small poportion of cases discase develop into life-threating ' dengue hemorrhagic fever ' WARNING SIGNS
  • 10. 3 PHASES • FEBRILE PHASE • CRITICAL PHASE • RECOVERY PHASE
  • 11. FEBRILE PHASE • Headache • Generalised • High fever • Rashes (1/2 days of symptoms as flushed skin) • Petechiae Csmall red spot)
  • 12. CRITICAL PHASE • High Fever • Fluid accumulation in chest & abdominal cavity due to increased capillary permeability • Leads to depletion of fluid from Circulation & to Blood supply to vital organ • Organ dysfunction & severe bleeding • Shock & hemorrhage occur in less than 5% of all dengue Cases
  • 13. RECOVERY PHASES • resorption of leaked fluid into bloodstream • last's 2-3 days • Itching & Decrease HR • Fluid overload occurs if it affected brain, causes decrease Consciousness / Seizures
  • 14. DIAGNOSIS • Clinically done • Changes detected on lab investigation ( decrease WBC, decrease platelets) • probable diagnosis based on finding oof fever + nemsea, rash, pain, etc
  • 16. MANAGEMEN T • Oral Rehabilitation Therapy • Blood Transfusion • IV Fluid
  • 18. PREVENTIO N • No approved vaccines for dengue • Prevention depends on control of & protection from mosquito bikes that transmit it.
  • 19. T h a n k y o u