Aviation medicine, also known as aerospace medicine, focuses on the health and safety of aircrews, passengers, and support staff. It addresses issues related to flying in various environments including hypoxic conditions at high altitudes. The presentation traces the history and development of the field from early experimentation to the establishment of regulatory bodies. It describes the roles and challenges of military, civilian and space operations. Key topics covered include hypoxia, barotrauma, acceleration forces, fatigue management and infectious disease control. The presentation concludes with an overview of the roles and activities of the Institute of Aerospace Medicine in Bangalore, India, which is a key center for aeromedical training and research.
THIS PRESENTATION TAKES OVERVIEW OF AIRCRAFT CABIN PRESSURIZATION. IN THIS I EXPLAINED BASIC SYSTEM USED FOR PRESSURIZATION, AND HOW THIS SYSTEM IS SAFE, PRECISE. AND HOW AIR IS KEPT HEALTHY.
This presenation details on various Bird Strike avoidance methods and clarifies some of the common myths we have about Bird Strikes and Avoidance in context to the Aviation Industry
• History of Occupational Diseases (O.D) Listing
• Definition of O.D and Work-Related Diseases (WRD)
• Criteria for identification of O.D
• International List of O.D
• Prescribed Occupational Diseases
THIS PRESENTATION TAKES OVERVIEW OF AIRCRAFT CABIN PRESSURIZATION. IN THIS I EXPLAINED BASIC SYSTEM USED FOR PRESSURIZATION, AND HOW THIS SYSTEM IS SAFE, PRECISE. AND HOW AIR IS KEPT HEALTHY.
This presenation details on various Bird Strike avoidance methods and clarifies some of the common myths we have about Bird Strikes and Avoidance in context to the Aviation Industry
• History of Occupational Diseases (O.D) Listing
• Definition of O.D and Work-Related Diseases (WRD)
• Criteria for identification of O.D
• International List of O.D
• Prescribed Occupational Diseases
Dr Ian Hosegood, Medical Director for Qantas Airways gives a great talk on In-Flight Medical Emergencies, including common complaints, what you can and can't do, diversions, and might even touch on how to get an upgrade
A PPT material about the first attempts to fly and the history of aviation made by a student involved in the Comenius multilateral partnership “From Icarus to Interplanetary Travels”
Flight and aviation in human history - by Radu Emanuelandreimonica76
A PPT material about the first attempts to fly and the history of aviation made by a student involved in the Comenius multilateral partnership “From Icarus to Interplanetary Travels”
Webquest: Aparato Circulatorio.
Alumnado: 6º Educación Primaria.
Autora: María Valderrey López
Imágenes utilizadas en la webquest: sacadas de internet.
Air travel and the ambulatory patient (2014)Wilfred Lim
Management of ambulatory patients for travel in a commercial airliner.
Working up passengers with medical conditions for fitness to fly in a commercial airliner.
pathology of the respiratory system plus review of anatomy and physiology
No copy right infringement is intended. This is a lecture note handout by Carey Francis Okinda
Flu Vaccine Alert in Bangalore Karnatakaaddon Scans
As flu season approaches, health officials in Bangalore, Karnataka, are urging residents to get their flu vaccinations. The seasonal flu, while common, can lead to severe health complications, particularly for vulnerable populations such as young children, the elderly, and those with underlying health conditions.
Dr. Vidisha Kumari, a leading epidemiologist in Bangalore, emphasizes the importance of getting vaccinated. "The flu vaccine is our best defense against the influenza virus. It not only protects individuals but also helps prevent the spread of the virus in our communities," he says.
This year, the flu season is expected to coincide with a potential increase in other respiratory illnesses. The Karnataka Health Department has launched an awareness campaign highlighting the significance of flu vaccinations. They have set up multiple vaccination centers across Bangalore, making it convenient for residents to receive their shots.
To encourage widespread vaccination, the government is also collaborating with local schools, workplaces, and community centers to facilitate vaccination drives. Special attention is being given to ensuring that the vaccine is accessible to all, including marginalized communities who may have limited access to healthcare.
Residents are reminded that the flu vaccine is safe and effective. Common side effects are mild and may include soreness at the injection site, mild fever, or muscle aches. These side effects are generally short-lived and far less severe than the flu itself.
Healthcare providers are also stressing the importance of continuing COVID-19 precautions. Wearing masks, practicing good hand hygiene, and maintaining social distancing are still crucial, especially in crowded places.
Protect yourself and your loved ones by getting vaccinated. Together, we can help keep Bangalore healthy and safe this flu season. For more information on vaccination centers and schedules, residents can visit the Karnataka Health Department’s official website or follow their social media pages.
Stay informed, stay safe, and get your flu shot today!
Lung Cancer: Artificial Intelligence, Synergetics, Complex System Analysis, S...Oleg Kshivets
RESULTS: Overall life span (LS) was 2252.1±1742.5 days and cumulative 5-year survival (5YS) reached 73.2%, 10 years – 64.8%, 20 years – 42.5%. 513 LCP lived more than 5 years (LS=3124.6±1525.6 days), 148 LCP – more than 10 years (LS=5054.4±1504.1 days).199 LCP died because of LC (LS=562.7±374.5 days). 5YS of LCP after bi/lobectomies was significantly superior in comparison with LCP after pneumonectomies (78.1% vs.63.7%, P=0.00001 by log-rank test). AT significantly improved 5YS (66.3% vs. 34.8%) (P=0.00000 by log-rank test) only for LCP with N1-2. Cox modeling displayed that 5YS of LCP significantly depended on: phase transition (PT) early-invasive LC in terms of synergetics, PT N0—N12, cell ratio factors (ratio between cancer cells- CC and blood cells subpopulations), G1-3, histology, glucose, AT, blood cell circuit, prothrombin index, heparin tolerance, recalcification time (P=0.000-0.038). Neural networks, genetic algorithm selection and bootstrap simulation revealed relationships between 5YS and PT early-invasive LC (rank=1), PT N0—N12 (rank=2), thrombocytes/CC (3), erythrocytes/CC (4), eosinophils/CC (5), healthy cells/CC (6), lymphocytes/CC (7), segmented neutrophils/CC (8), stick neutrophils/CC (9), monocytes/CC (10); leucocytes/CC (11). Correct prediction of 5YS was 100% by neural networks computing (area under ROC curve=1.0; error=0.0).
CONCLUSIONS: 5YS of LCP after radical procedures significantly depended on: 1) PT early-invasive cancer; 2) PT N0--N12; 3) cell ratio factors; 4) blood cell circuit; 5) biochemical factors; 6) hemostasis system; 7) AT; 8) LC characteristics; 9) LC cell dynamics; 10) surgery type: lobectomy/pneumonectomy; 11) anthropometric data. Optimal diagnosis and treatment strategies for LC are: 1) screening and early detection of LC; 2) availability of experienced thoracic surgeons because of complexity of radical procedures; 3) aggressive en block surgery and adequate lymph node dissection for completeness; 4) precise prediction; 5) adjuvant chemoimmunoradiotherapy for LCP with unfavorable prognosis.
MANAGEMENT OF ATRIOVENTRICULAR CONDUCTION BLOCK.pdfJim Jacob Roy
Cardiac conduction defects can occur due to various causes.
Atrioventricular conduction blocks ( AV blocks ) are classified into 3 types.
This document describes the acute management of AV block.
micro teaching on communication m.sc nursing.pdfAnurag Sharma
Microteaching is a unique model of practice teaching. It is a viable instrument for the. desired change in the teaching behavior or the behavior potential which, in specified types of real. classroom situations, tends to facilitate the achievement of specified types of objectives.
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Recomendações da OMS sobre cuidados maternos e neonatais para uma experiência pós-natal positiva.
Em consonância com os ODS – Objetivos do Desenvolvimento Sustentável e a Estratégia Global para a Saúde das Mulheres, Crianças e Adolescentes, e aplicando uma abordagem baseada nos direitos humanos, os esforços de cuidados pós-natais devem expandir-se para além da cobertura e da simples sobrevivência, de modo a incluir cuidados de qualidade.
Estas diretrizes visam melhorar a qualidade dos cuidados pós-natais essenciais e de rotina prestados às mulheres e aos recém-nascidos, com o objetivo final de melhorar a saúde e o bem-estar materno e neonatal.
Uma “experiência pós-natal positiva” é um resultado importante para todas as mulheres que dão à luz e para os seus recém-nascidos, estabelecendo as bases para a melhoria da saúde e do bem-estar a curto e longo prazo. Uma experiência pós-natal positiva é definida como aquela em que as mulheres, pessoas que gestam, os recém-nascidos, os casais, os pais, os cuidadores e as famílias recebem informação consistente, garantia e apoio de profissionais de saúde motivados; e onde um sistema de saúde flexível e com recursos reconheça as necessidades das mulheres e dos bebês e respeite o seu contexto cultural.
Estas diretrizes consolidadas apresentam algumas recomendações novas e já bem fundamentadas sobre cuidados pós-natais de rotina para mulheres e neonatos que recebem cuidados no pós-parto em unidades de saúde ou na comunidade, independentemente dos recursos disponíveis.
É fornecido um conjunto abrangente de recomendações para cuidados durante o período puerperal, com ênfase nos cuidados essenciais que todas as mulheres e recém-nascidos devem receber, e com a devida atenção à qualidade dos cuidados; isto é, a entrega e a experiência do cuidado recebido. Estas diretrizes atualizam e ampliam as recomendações da OMS de 2014 sobre cuidados pós-natais da mãe e do recém-nascido e complementam as atuais diretrizes da OMS sobre a gestão de complicações pós-natais.
O estabelecimento da amamentação e o manejo das principais intercorrências é contemplada.
Recomendamos muito.
Vamos discutir essas recomendações no nosso curso de pós-graduação em Aleitamento no Instituto Ciclos.
Esta publicação só está disponível em inglês até o momento.
Prof. Marcus Renato de Carvalho
www.agostodourado.com
2. Definition
The specialty of medical practice within preventive medicine that
focuses on the health of a population group defined by the operating
aircrews and passengers of air and space vehicles, together with the
support personnel who are required to operate and maintain them.
A military practitioner of aviation medicine is called a flight
surgeon and a civilian practitioner is an aviation medical examiner.
2
Source: Public Health & Preventive Medicine Wallace/Maxcy-Rosenau-Last,15th edition
3. Beginning of aerospace medicine
The father of Aviation Medicine-
Paul Bert
Conducted experiments with
barometric pressure
Proved the principle effects
of altitude on the body
Made the first low pressure
altitude chamber
3
4. History
1949 - deptt. of space medicine was established at the US Air Force school of
Aerospace medicine.
1953 - ABPM approved the decision to authorize certification in aviation
medicine.
1958 - The National Aeronautics and Space Administration (NASA) was formed.
Officially changed by the ABPM to Aerospace Medicine.
2000, the ABPM initiated the development of a Certificate of Added Competency
in Undersea and Hyperbaric Medicine.
2005 – 1376 physicians have been certified in this specialty.
4Source: Public Health & Preventive Medicine Wallace/Maxcy-Rosenau-Last,15th edition
5. Approach to Aerospace Medicine
AEROSPACE
Normal Physiology
Abnormal environment
CLASSICAL
Abnormal Physiology
Normal environment
5
7. 1% Rule (Aviation Medicine)
It is the risk threshold applied to the medical fitness of pilots
Applying this would result in an airline pilot being denied a medical
certificate if their risk of a medical incapacitation (e.g. heart attack,
convulsion, stroke, faint etc) was determined as being greater than 1%
during the year. (threshold between acceptable and unacceptable)
It began in the late 1980s & early 1990s in a series of British and
European cardiology workshops
Its application is controversial
7
Source:http://en.wikipedia.org/wiki/1%25_rule_%28aviation_medicine%29
8. 8
Conditions that might cause problems
in a flight include:-
Pregnancy beyond 36 weeks.
New born babies during the first few days after birth.
Recent or current middle ear infections or sinusitis.
Unstable psychiatric illness or epilepsy.
Recent myocardial infarction or moderate/severe heart failure.
Recent chest, intra-cranial or abdominal surgery.
Recent pnuemothorax or moderate to severe hypoxic pulmonary
disease.
The presence of a communicable disease.
Previous record of causing disruption during flight
9. 9
Problems Faced in Air
Air Rage
Altitude
Sickness
Parasitic
infections
Respiratory
infections
DVT
Jetlag
Airplane
Problems
10. Stresses in the Aerospace Environment
Hypoxia
Reduced atmospheric pressure
Thermal extremes
Ionizing radiation
Null gravity fields
Maintenance of situational awareness
10
11. Hypoxia
Deficiency in night vision
Drowsiness
Thinking slowed & calculations
difficult
Impaired memory & judgment
Delayed reaction time
11
13. Acceleration Forces
Acceleration forces tend to be directed downwards moving blood from
his brain to his feet.
If this force is not counteracted, the aviator will first lose his vision &
then consciousness (G-induced loss of consciousness or GLOC)
This phenomenon was first identified in Great Britain in World War I
(circa 1918-1919) as "fainting in the air."
In US G-LOC was first encountered in 1922 during the Pulitzer Trophy
Air Race.
.
13Source:http://www.ncbi.nlm.nih.gov/pubmed/3281645
14. Acceleration
Countermeasures
To counteract this force, “G” suits have been developed which
squeeze the legs and abdomen during high G conditions to
prevent blood from being pushed there.
G suits are made up of five interconnected bladders covering the
legs and abdominal region.
Pressurization of the bladders occurs during increases in G forces.
Source:http://www.ncbi.nlm.nih.gov/pubmed/3281645
15. Trapped Air
As you go up in altitude, air expands... if this air is trapped,
expanding air can lead to pain.
A blocked Eustachian tube could lead to pain in the middle ear.
Ear Drum
16. Decompression Sickness
Air bubbles can form in the body at
high altitudes. These bubbles are
made of nitrogen & usually dissolve
as we descend
Bubbles that do not dissolve can
get trapped in the joints and
cause pain (bends)
If they form in the blood & go to
brain- can cause serious neurologic symptoms
16
17. Decompression sickness: prevention &
treatment
Prebreathing 100% oxygen for at least an hour before high altitude
flights can decrease the amount of nitrogen in the body & decrease
the chances of decompression sickness
Pressurized cabins or if necessary, pressure suits can be used
17
Source:http://www.archive.xray-mag.com/files/PRPChamber_Torque03.JPG
18. Operational Aerospace Medicine
Three operational flight environments are:
Civil Aviation
Military Aviation
Space Operations
18Source: Public Health & Preventive Medicine Wallace/Maxcy-Rosenau-Last,15th edition
19. Civil Aviation
Category includes: Commercial aviation & Private/recreational flying.
In the US approx. 460,000 active pilots, 167,000 general aviation aircraft,
10,000 air carrier aircraft & 18,000 airports.
FAA has designated 4800 physicians as AMEs
FAA’s Civil Aeromedical Institute recomends standards on emergency
aircraft lighting, breathing equipments, emergency breathing devices &
floatation systems.
Other activities include air ambulance service, flight training, aerial
application, air cargo & new growth industry of commercial parcel
delivery.
19
20. Military Aviation
Air Force has the widest range of aeronautical activities
The flight surgeon is responsible not only for health maintenance of
the flight crews but also for maintaining health surveillance for the
5000 people on board the carrier
He oversees all aspects of hygiene, epidemiological surveillance,
health maintenance & medical disaster preparedness abroad ship
20
21. Space Operations
On feb.1,2003 the Columbia space shuttle broke up on reentering
earth’s atmosphere & all 7 crew members were lost
Biomedical challenges include- SAS(space motion sickness),
cardiovascular deconditioning, loss of red cell mass & bone mineral
loss
SAS has been experienced by up to1/3 of shuttle crew & this occurs in
early segments of orbital flight & may affect early mission performance.
The international space station operation introduces additional
challenges for maintaining astronauts on long duration missions.
21
23. Personnel
Aircraft is dependent on the pilot to safely complete the flight
The clinical skills of AMS are in diagnosing occult diseases & conditions
that are risky for flight safety
Pilots on therapeutic medications can have side effects of their
medications leading to drowsiness & loss of consciousness
Two commonly used non- therapeutic drugs are cigarettes & alcohol.
Alcohol continues to be associated with approx. 11% of general aviation
accidents.
Smokers have high carbon monoxide levels & less oxygen levels in their
blood, which compromises their altitude tolerance
23
24. Contd.
Work-Rest cycles: various factors in the aerospace environment lead
to the onset of fatigue in aviators. These include:
Excitement of a new place
Insomnia in a strange bed
Circadian rhythm asynchrony
Work related anxiety
24
25. Airline Aviation Medical Services
Pre employment Medical
examination
Drug abuse testing
Psychological profile or
personality inventory
Physiological training
Wellness or health
maintainance programme
Employee Assistance
Programme
Acute care
Emergency response service
Periodic medical assessment
Job related illness or injury
monitoring
Return to work assessment
Aircraft accident team
25
Source: Public Health & Preventive Medicine Wallace/Maxcy-Rosenau-Last,15th edition
26. Passengers
Common problems seen in passengers are:
Air rage: in the form of anger & increased tension
Economy class syndrome: this refers to the development of deep
vein thrombosis(DVT) in passengers who remain seated in the tight
confines of the cabin for long periods of time. It is seen that 10% of
air travel passengers older than 50yrs develop symptomless DVT
during prolonged flights
Passengers are advised to remove tight stockings, exercise the feet
& legs while seated, move about the cabin as conditions permit &
maintain hydration
26
SOURCE:Ind. Journal of Aerospace Medicine 47(2), 2003
27. PATIENTS
Medical center helicopter used to transfer critically ill and injured
patients and neonates to tertiary medical facilities.
Some aircraft, such as the Hercules C-130 can be overpressurized
to maintain the cabin below sea level pressure provided flight is at a
relatively low altitude.
Prevention is the hallmark of aeromedical support to personnel,
passengers, and patients:
27Source: Public Health & Preventive Medicine Wallace/Maxcy-Rosenau-Last,15th edition
28. COMMUNITY & INTERNATIONAL HEALTH
Aerospace flight operations have the potential for disrupting the
environment and serving as a mechanism for the introduction of
disease
Even with the use of maximum efficiency HEPA filters, infections have
occurred among both crewmembers and passengers.
Infections documented are TB, influenza, SARS.
The potential for disease transmission has been reduced with the
implementation of international sanitary regulations and other control
mechanisms.
28
Source: Public Health & Preventive Medicine Wallace/Maxcy-Rosenau-Last,15th edition
29. International Health Regulations published by
WHO
1. Promulgation of the application of epidemiological principles
2. Enhancement of sanitation at international airports
3. Reduction or elimination of factors contributing to the spread of
disease
4. Elimination of disease vector transportation
5. Enhancement of epidemiological techniques to halt the introduction
or establishment of a foreign disease
29
Source: Public Health & Preventive Medicine Wallace/Maxcy-Rosenau-Last,15th edition
30. Vector Control
The principal objective of these procedures is to kill mosquitoes and
other insect vectors of disease.
Current regulations permit residual treatment of the aircraft with
permethrin.
A common practice was the “blocks-away” disinfection technique, in
which insecticide would be introduced into the passenger cabin
immediately after the aircraft was closed and was taxiing to take off.
An alternative method was to use aerosol insecticide prior to arrival
at the destination airport
30
Source: Public Health & Preventive Medicine Wallace/Maxcy-Rosenau-Last,15th edition
31. IAM,BANGALORE
IAM established as a centre for aeromedical activities related to military
and civil aviation in the late 50's.
Aeromedical evaluation of military & civil in aircraft design, promotion of
flight safety, human factor analysis of aircraft accidents & aeromedical
research form the major activities.
The need for a fullfledged Institute for imparting training in Aviation
Medicine was fully realised with the advent of the jet age.
This led to the establishment of the School of Aviation Medicine (SAM)
at Bangalore on 29th May, 1957.
31
32. 32
Role Of IAM includes :
(a) Training medical officers, paramedical personnel, military and civil aircrew.
(b) Medical evaluation of military and civil aircrew.
(c) Aeromedical research and development.
(d) Aeromedical and human engineering consultancy to the aerospace
industry.
(e) Aeromedical support to Indian Human Space Programme.
(f) Therapeutic activities through Hyperbaric Oxygen Therapy
(g)PrimaryHealthcare