1 billion people worldwide have high blood pressure, and this number is expected to increase to 1.56 billion people by the year 2025
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Title: Sense of Smell
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the primary categories of smells and the concept of odor blindness.
Explain the structure and location of the olfactory membrane and mucosa, including the types and roles of cells involved in olfaction.
Describe the pathway and mechanisms of olfactory signal transmission from the olfactory receptors to the brain.
Illustrate the biochemical cascade triggered by odorant binding to olfactory receptors, including the role of G-proteins and second messengers in generating an action potential.
Identify different types of olfactory disorders such as anosmia, hyposmia, hyperosmia, and dysosmia, including their potential causes.
Key Topics:
Olfactory Genes:
3% of the human genome accounts for olfactory genes.
400 genes for odorant receptors.
Olfactory Membrane:
Located in the superior part of the nasal cavity.
Medially: Folds downward along the superior septum.
Laterally: Folds over the superior turbinate and upper surface of the middle turbinate.
Total surface area: 5-10 square centimeters.
Olfactory Mucosa:
Olfactory Cells: Bipolar nerve cells derived from the CNS (100 million), with 4-25 olfactory cilia per cell.
Sustentacular Cells: Produce mucus and maintain ionic and molecular environment.
Basal Cells: Replace worn-out olfactory cells with an average lifespan of 1-2 months.
Bowman’s Gland: Secretes mucus.
Stimulation of Olfactory Cells:
Odorant dissolves in mucus and attaches to receptors on olfactory cilia.
Involves a cascade effect through G-proteins and second messengers, leading to depolarization and action potential generation in the olfactory nerve.
Quality of a Good Odorant:
Small (3-20 Carbon atoms), volatile, water-soluble, and lipid-soluble.
Facilitated by odorant-binding proteins in mucus.
Membrane Potential and Action Potential:
Resting membrane potential: -55mV.
Action potential frequency in the olfactory nerve increases with odorant strength.
Adaptation Towards the Sense of Smell:
Rapid adaptation within the first second, with further slow adaptation.
Psychological adaptation greater than receptor adaptation, involving feedback inhibition from the central nervous system.
Primary Sensations of Smell:
Camphoraceous, Musky, Floral, Pepperminty, Ethereal, Pungent, Putrid.
Odor Detection Threshold:
Examples: Hydrogen sulfide (0.0005 ppm), Methyl-mercaptan (0.002 ppm).
Some toxic substances are odorless at lethal concentrations.
Characteristics of Smell:
Odor blindness for single substances due to lack of appropriate receptor protein.
Behavioral and emotional influences of smell.
Transmission of Olfactory Signals:
From olfactory cells to glomeruli in the olfactory bulb, involving lateral inhibition.
Primitive, less old, and new olfactory systems with different path
1 billion people worldwide have high blood pressure, and this number is expected to increase to 1.56 billion people by the year 2025
Lets gear up to take on this future opportunity by offering
Range of brands benefitting the patients
Suffering from
Hypertension
Title: Sense of Smell
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the primary categories of smells and the concept of odor blindness.
Explain the structure and location of the olfactory membrane and mucosa, including the types and roles of cells involved in olfaction.
Describe the pathway and mechanisms of olfactory signal transmission from the olfactory receptors to the brain.
Illustrate the biochemical cascade triggered by odorant binding to olfactory receptors, including the role of G-proteins and second messengers in generating an action potential.
Identify different types of olfactory disorders such as anosmia, hyposmia, hyperosmia, and dysosmia, including their potential causes.
Key Topics:
Olfactory Genes:
3% of the human genome accounts for olfactory genes.
400 genes for odorant receptors.
Olfactory Membrane:
Located in the superior part of the nasal cavity.
Medially: Folds downward along the superior septum.
Laterally: Folds over the superior turbinate and upper surface of the middle turbinate.
Total surface area: 5-10 square centimeters.
Olfactory Mucosa:
Olfactory Cells: Bipolar nerve cells derived from the CNS (100 million), with 4-25 olfactory cilia per cell.
Sustentacular Cells: Produce mucus and maintain ionic and molecular environment.
Basal Cells: Replace worn-out olfactory cells with an average lifespan of 1-2 months.
Bowman’s Gland: Secretes mucus.
Stimulation of Olfactory Cells:
Odorant dissolves in mucus and attaches to receptors on olfactory cilia.
Involves a cascade effect through G-proteins and second messengers, leading to depolarization and action potential generation in the olfactory nerve.
Quality of a Good Odorant:
Small (3-20 Carbon atoms), volatile, water-soluble, and lipid-soluble.
Facilitated by odorant-binding proteins in mucus.
Membrane Potential and Action Potential:
Resting membrane potential: -55mV.
Action potential frequency in the olfactory nerve increases with odorant strength.
Adaptation Towards the Sense of Smell:
Rapid adaptation within the first second, with further slow adaptation.
Psychological adaptation greater than receptor adaptation, involving feedback inhibition from the central nervous system.
Primary Sensations of Smell:
Camphoraceous, Musky, Floral, Pepperminty, Ethereal, Pungent, Putrid.
Odor Detection Threshold:
Examples: Hydrogen sulfide (0.0005 ppm), Methyl-mercaptan (0.002 ppm).
Some toxic substances are odorless at lethal concentrations.
Characteristics of Smell:
Odor blindness for single substances due to lack of appropriate receptor protein.
Behavioral and emotional influences of smell.
Transmission of Olfactory Signals:
From olfactory cells to glomeruli in the olfactory bulb, involving lateral inhibition.
Primitive, less old, and new olfactory systems with different path
Ethanol (CH3CH2OH), or beverage alcohol, is a two-carbon alcohol
that is rapidly distributed in the body and brain. Ethanol alters many
neurochemical systems and has rewarding and addictive properties. It
is the oldest recreational drug and likely contributes to more morbidity,
mortality, and public health costs than all illicit drugs combined. The
5th edition of the Diagnostic and Statistical Manual of Mental Disorders
(DSM-5) integrates alcohol abuse and alcohol dependence into a single
disorder called alcohol use disorder (AUD), with mild, moderate,
and severe subclassifications (American Psychiatric Association, 2013).
In the DSM-5, all types of substance abuse and dependence have been
combined into a single substance use disorder (SUD) on a continuum
from mild to severe. A diagnosis of AUD requires that at least two of
the 11 DSM-5 behaviors be present within a 12-month period (mild
AUD: 2–3 criteria; moderate AUD: 4–5 criteria; severe AUD: 6–11 criteria).
The four main behavioral effects of AUD are impaired control over
drinking, negative social consequences, risky use, and altered physiological
effects (tolerance, withdrawal). This chapter presents an overview
of the prevalence and harmful consequences of AUD in the U.S.,
the systemic nature of the disease, neurocircuitry and stages of AUD,
comorbidities, fetal alcohol spectrum disorders, genetic risk factors, and
pharmacotherapies for AUD.
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- Video recording of this lecture in English language: https://youtu.be/lK81BzxMqdo
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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!
Title: Sense of Taste
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the structure and function of taste buds.
Describe the relationship between the taste threshold and taste index of common substances.
Explain the chemical basis and signal transduction of taste perception for each type of primary taste sensation.
Recognize different abnormalities of taste perception and their causes.
Key Topics:
Significance of Taste Sensation:
Differentiation between pleasant and harmful food
Influence on behavior
Selection of food based on metabolic needs
Receptors of Taste:
Taste buds on the tongue
Influence of sense of smell, texture of food, and pain stimulation (e.g., by pepper)
Primary and Secondary Taste Sensations:
Primary taste sensations: Sweet, Sour, Salty, Bitter, Umami
Chemical basis and signal transduction mechanisms for each taste
Taste Threshold and Index:
Taste threshold values for Sweet (sucrose), Salty (NaCl), Sour (HCl), and Bitter (Quinine)
Taste index relationship: Inversely proportional to taste threshold
Taste Blindness:
Inability to taste certain substances, particularly thiourea compounds
Example: Phenylthiocarbamide
Structure and Function of Taste Buds:
Composition: Epithelial cells, Sustentacular/Supporting cells, Taste cells, Basal cells
Features: Taste pores, Taste hairs/microvilli, and Taste nerve fibers
Location of Taste Buds:
Found in papillae of the tongue (Fungiform, Circumvallate, Foliate)
Also present on the palate, tonsillar pillars, epiglottis, and proximal esophagus
Mechanism of Taste Stimulation:
Interaction of taste substances with receptors on microvilli
Signal transduction pathways for Umami, Sweet, Bitter, Sour, and Salty tastes
Taste Sensitivity and Adaptation:
Decrease in sensitivity with age
Rapid adaptation of taste sensation
Role of Saliva in Taste:
Dissolution of tastants to reach receptors
Washing away the stimulus
Taste Preferences and Aversions:
Mechanisms behind taste preference and aversion
Influence of receptors and neural pathways
Impact of Sensory Nerve Damage:
Degeneration of taste buds if the sensory nerve fiber is cut
Abnormalities of Taste Detection:
Conditions: Ageusia, Hypogeusia, Dysgeusia (parageusia)
Causes: Nerve damage, neurological disorders, infections, poor oral hygiene, adverse drug effects, deficiencies, aging, tobacco use, altered neurotransmitter levels
Neurotransmitters and Taste Threshold:
Effects of serotonin (5-HT) and norepinephrine (NE) on taste sensitivity
Supertasters:
25% of the population with heightened sensitivity to taste, especially bitterness
Increased number of fungiform papillae
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ARTIFICIAL INTELLIGENCE IN HEALTHCARE.pdfAnujkumaranit
Artificial intelligence (AI) refers to the simulation of human intelligence processes by machines, especially computer systems. It encompasses tasks such as learning, reasoning, problem-solving, perception, and language understanding. AI technologies are revolutionizing various fields, from healthcare to finance, by enabling machines to perform tasks that typically require human intelligence.
New Drug Discovery and Development .....NEHA GUPTA
The "New Drug Discovery and Development" process involves the identification, design, testing, and manufacturing of novel pharmaceutical compounds with the aim of introducing new and improved treatments for various medical conditions. This comprehensive endeavor encompasses various stages, including target identification, preclinical studies, clinical trials, regulatory approval, and post-market surveillance. It involves multidisciplinary collaboration among scientists, researchers, clinicians, regulatory experts, and pharmaceutical companies to bring innovative therapies to market and address unmet medical needs.
Acute scrotum is a general term referring to an emergency condition affecting the contents or the wall of the scrotum.
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Testicular torsion refers to twisting of the spermatic cord, causing ischaemia of the testicle.
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The prevalence of testicular torsion in adult patients hospitalized with acute scrotal pain is approximately 25 to 50 percent
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
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Explore natural remedies for syphilis treatment in Singapore. Discover alternative therapies, herbal remedies, and lifestyle changes that may complement conventional treatments. Learn about holistic approaches to managing syphilis symptoms and supporting overall health.
2. Each time the heart beats
(about 60-70 times a minute at
rest), it pumps out blood into
the arteries.
What Is Blood Pressure?
Your blood pressure is at its
highest when the heart beats,
pumping the blood.
When the heart is at
rest, between beats,
your blood pressure
falls.
Your blood pressure is always given as these two numbers with one above
or before the other.
This is called SYSTOLIC pressure.
120/
80
This is called DIASTOLIC pressure.
Bottom number
4. If your blood pressure is in the prehypertensive range:
It means that you don’t have high blood pressure now, but you are likely to
develop it in the future.
Unless you take ACTION to prevent it!
“Prehypertension”
Prehypertension 120-139 80-89
5. Medical Education & Information – for all Media, all Disciplines, from all over the World
Powered by
2013 ESH/ESC Guidelines for the management of arterial hypertension
The Task Force for the management of arterial hypertension of the European Society of Hypertension (ESH) and of the European Society of Cardiology (ESC) - J Hypertension 2013;31:1281-1357
Definitions and classification of office BP levels (mmHg)*
Category Systolic Diastolic
Optimal <120 and <80
Normal 120–129 and/or 80–84
High normal 130–139 and/or 85–89
Grade 1 hypertension 140–159 and/or 90–99
Grade 2 hypertension 160–179 and/or 100–109
Grade 3 hypertension ≥180 and/or ≥110
Isolated systolic hypertension ≥140 and <90
* The blood pressure (BP) category is defined by the highest level of BP, whether systolic or diastolic. Isolated systolic hypertension should be
graded 1, 2, or 3 according to systolic BP values in the ranges indicated.
Hypertension:
SBP >140 mmHg ± DBP >90 mmHg
6. What Is High Blood Pressure?
A blood pressure of 140/90is considered high blood pressure.
High Blood Pressure Systolic Diastolic
Stage 1 140-159 90-99
Stage 2 160 or higher 100 or higher
“Hypertension”
7. Kieran McGlade Nov 2001 Department of General Practice QUB
Aetiology of Hypertension
• Primary – 90-95% of cases – also termed “essential” of
“idiopathic”
• Secondary – about 5% of cases
– Renal or renovascular disease
– Endocrine disease
• Phaeochomocytoma
• Cusings syndrome
• Conn’s syndrome (hyperaldosteronism)
• Acromegaly and hypothyroidism
– Coarctation of the aorta
– Iatrogenic
• Hormonal / oral contraceptive
• NSAIDs
8. • Renovascular disease is a progressive condition that causes
narrowing or blockage of the renal arteries or veins. These
are the blood vessels that take blood to and from the
kidneys. It's the general term used for three disorders:
renal artery occlusion, renal vein thrombosis, and renal
atheroembolism.
• Phaeochomocytoma is a small vascular tumor of the
adrenal medulla, causing irregular secretion of epinephrine
and norepinephrine, leading to attacks of raised blood
pressure, palpitations, and headache.
• Cusings syndrome is a metabolic disorder caused by
overproduction of corticosteroid hormones by the adrenal
cortex and often involving obesity and high blood pressure.
10. Hypertension:
Predisposing factors
• Advancing Age
• Sex (men and postmenopausal women)
• Family history of cardiovascular disease
• Sedentary life style & psycho-social stress
• Smoking ,High cholesterol diet, Low fruit
consumption
• Obesity & wt. gain
• Co-existing disorders such as diabetes,
and hyperlipidaemia
• High intake of alcohol
12. What can high blood pressure do to your body?
Heart Attack
High blood pressure is a
major risk factor for heart
attack. The arteries bring
oxygen-carrying blood to the
heart muscle. If the heart
cannot get enough oxygen,
chest pain, can occur. If the
flow of blood is blocked, a
heart attack results.
Blindness
High blood pressure can eventually
cause blood vessels in the eye to
burst or bleed. Vision may become
blurred or otherwise impaired and
can result in blindness.
Kidney disease
Kidneys act as filters to rid the
body of waste. High blood
pressure can narrow and
thicken the blood vessels of
the kidneys. The kidneys
filter less fluid and waste
builds up in the blood. The
kidneys may fail altogether.
High blood pressure is the most important
risk factor for stroke. Very high pressure can
cause a break in a weakened blood vessel,
which then bleeds in the brain. This can
cause a stroke. If a blood clot blocks one of
the narrowed arteries, it can also cause a
stroke.
Stroke
As people get older, arteries
throughout the body
"harden," especially those in
the heart, brain, and
kidneys. High blood pressure
is associated with these
"stiffer" arteries. This, in
turn, causes the heart and
kidneys to work harder.
Arteries
Heart failure
The heart is unable to
pump enough blood to
supply the body's needs.
14. Clinical manifestations
• No specific complains or manifestations other than
elevated systolic and/or diastolic BP (Silent Killer
)
• Morning occipital headache
• Dizziness
• Fatigue
• In severe hypertension, epistaxis or blurred vision
15. Self-Measurement of BP
Provides information on:
1. Response to antihypertensive therapy
2. Improving adherence with therapy
3. Evaluating white-coat HTN
Home measurement of >135/85 mmHg is generally
considered to be hypertensive.
Home measurement devices should be checked
regularly.
16. Measuring
Blood Pressure
• Patient seated quietly for at least
5minutes in a chair, with feet on the
floor and arm supported at heart
level
•An appropriate-sized cuff (cuff bladder encircling at least
80% of the arm)
•At least 2 measurements
Continue…
17. • Systolic Blood Pressure is the point at which
the first of 2 or more sounds is heard
• Diastolic Blood Pressure is the point of
disappearance of the sounds (Korotkoff 5th)
Continue…
Measuring
Blood Pressure
18. • Ambulatory BP Monitoring - information about
BP during daily activities and sleep.
• Correlates better than office measurements
with target-organ injury.
Continue…
Measuring
Blood Pressure
19. Laboratory Tests
Routine Tests
• Electrocardiogram
• Urinalysis
• Blood glucose,
• Serum potassium, creatinine, or the corresponding estimated GFR,
and calcium
• Lipid profile, after 9- to 12-hour fast, that includes high-density and
low-density lipoprotein cholesterol, and triglycerides
Optional tests
• Measurement of urinary albumin excretion or albumin/creatinine
ratio
More extensive testing for identifiable causes is not generally indicated
unless BP control is not achieved
21. Treatment Overview
Goals of therapy
Lifestyle modification
Pharmacologic treatment
Algorithm for treatment of hypertension
Follow up and monitoring
22. Goals of Therapy
Reduce Cardiac and renal morbidity and mortality.
Treat to BP <140/90 mmHg or BP <130/80 mmHg in
patients with diabetes or chronic kidney disease.
23. Non pharmacological
Treatment of hypertension
Avoid harmful habits ,smoking ,alcohal
Reduce salt and high fat diets
Loose weight , if obese
Regular exercise
DASH
diet
24. Life style modifications
• Lose weight, if overweight
• Increase physical activity
• Reduce salt intake
• Stop smoking
• Limit intake of foods rich in fats and
cholesterol
• increase consumption of fruits and
vegetables
• Limit alcohol intake
25. Lifestyle Modification
Modification Approximate SBP reduction
(range)
Weight reduction 5–20 mmHg / 10 kg weight loss
Adopt DASH eating
plan
8–14 mmHg
Dietary sodium
reduction
2–8 mmHg
Physical activity 4–9 mmHg
Moderation of alcohol
consumption
2–4 mmHg