This document discusses how to evaluate the knee joint and lower extremity using x-rays. It describes how to measure the mechanical axis of the limb and define varus and valgus malalignment. It also provides the normal ranges for various anatomical angles of the femur and tibia. Methods for evaluating patella position and patellofemoral congruence using x-rays are presented.
The exact anatomy of the bones and joints is of great importance to the clinician when examining the limbs and to the surgeon when operating on the bones and joints.
To understand deformities of the extremities, it is important to first understand and establish the parameters and limits of normal alignment.
Each long bone has a mechanical and an anatomic axis
both frontal and sagittal planes axis lines are applicable to any longitudinal projection of a bone.
The corresponding radiographic projections are the anteroposterior (AP) and lateral (LAT) views, respectively.
The exact anatomy of the bones and joints is of great importance to the clinician when examining the limbs and to the surgeon when operating on the bones and joints.
To understand deformities of the extremities, it is important to first understand and establish the parameters and limits of normal alignment.
Each long bone has a mechanical and an anatomic axis
both frontal and sagittal planes axis lines are applicable to any longitudinal projection of a bone.
The corresponding radiographic projections are the anteroposterior (AP) and lateral (LAT) views, respectively.
X-Ray of the Dorso-Lumbar Spine. Skeletal Anatomy and Pathologies. Radiographic Findings on Lumbo-Sacral Spine and Dorsal Spine. Radiographic Projections. Pediatric and Adult SPinal Disorder. Radiology Useful Training Resource for Medics and Paramedics
Osseous anatomy, Types of approaches(Position,landmarks,Incision,Superficial and Deep surgical dissection) , structures at risk, Extensile approaches with diagrams and eponymous .
X-Ray of the Dorso-Lumbar Spine. Skeletal Anatomy and Pathologies. Radiographic Findings on Lumbo-Sacral Spine and Dorsal Spine. Radiographic Projections. Pediatric and Adult SPinal Disorder. Radiology Useful Training Resource for Medics and Paramedics
Osseous anatomy, Types of approaches(Position,landmarks,Incision,Superficial and Deep surgical dissection) , structures at risk, Extensile approaches with diagrams and eponymous .
Deformity: It’s the position of a limb/Joint, from which it cannot be brought back to its normal anatomical position.
Described as abnormalities of :
Length
Angulation
Rotation
Translation
Combination
Flu Vaccine Alert in Bangalore Karnatakaaddon Scans
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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.
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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
Pulmonary Thromboembolism - etilogy, types, medical- Surgical and nursing man...VarunMahajani
Disruption of blood supply to lung alveoli due to blockage of one or more pulmonary blood vessels is called as Pulmonary thromboembolism. In this presentation we will discuss its causes, types and its management in depth.
Knee anatomy and clinical tests 2024.pdfvimalpl1234
This includes all relevant anatomy and clinical tests compiled from standard textbooks, Campbell,netter etc..It is comprehensive and best suited for orthopaedicians and orthopaedic residents.
- Video recording of this lecture in English language: https://youtu.be/lK81BzxMqdo
- Video recording of this lecture in Arabic language: https://youtu.be/Ve4P0COk9OI
- Link to download the book free: https://nephrotube.blogspot.com/p/nephrotube-nephrology-books.html
- Link to NephroTube website: www.NephroTube.com
- Link to NephroTube social media accounts: https://nephrotube.blogspot.com/p/join-nephrotube-on-social-media.html
Couples presenting to the infertility clinic- Do they really have infertility...Sujoy Dasgupta
Dr Sujoy Dasgupta presented the study on "Couples presenting to the infertility clinic- Do they really have infertility? – The unexplored stories of non-consummation" in the 13th Congress of the Asia Pacific Initiative on Reproduction (ASPIRE 2024) at Manila on 24 May, 2024.
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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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
3. Mechanical Axis
•The mechanical axis of the entire limb is
evaluated using weight bearing AP 51 inch
alignment radiograph with the feet pointed
forward ( neutral
rotation )
• Mechanical axis deviation (MAD) is measured
as the distance from the knee joint center to the
line connecting the joint centers of the hip and
ankle.
•The hip joint center is located at the center of
the femoral head.
•The knee joint center is half the distance
between the tibial spines to the apex of the
intercondylar notch on the femur.
• The ankle joint center is the center of the tibial
plafond.
4. • Normally, the mechanical axis
of the lower extremity lies 1 to
15 mm medial to the knee
joint center .
• If the lower-extremity
mechanical axis is outside this
range, the deformity is
described as MAD .
• MAD greater than 15 mm
medial to the knee midpoint is
varus malalignment; any MAD
lateral to the knee midpoint is
valgus malalignment.
5. Normally , the anatomic axes of the femur and tibia form a valgus angle of 6 +/-2
9. Anatomical lateral distal femoral angle
Mechanical lateral distal femoral angle
Normal Range = 79-83 Degrees
Mean value = 81Degrees
Normal Range =85-89 Degrees
Mean value = 88 Degrees
13. Radiographic measurement of Patella
Blumensaat line :
• Lateral Radiograph
to determine patella
alta
• With knee flexed 30
degree , line is
drawn through
intercondylar notch
• Normally lower pole
of patella at
blumensaat line
16. Blackburne Peel ratio
• Lenght of articular
surface of patella to
lenght measured
from articular
surface of tibia to
inferior pole of
patella
Interpretation
• patella baja: <0.5
• Normal ratio 0.54 –
1.06
• patella alta: >1.0
17. Patellar Height
(Caton- Deschamps )
• Ratio between the
articular process of the
patella and distance
between the articular
facet of the patella and
anterior corner of the
superior tibial
epiphysis
• Normal – 0.6 – 1.3
• Patella baja ratio < 0.6
• Patella alta – ratio >
1.3
