1) Gallstones affect over 20 million Americans and cause 300,000 operations and 6,000 deaths annually from complications. The risk increases with age, with 20% of women and 5% of men over 50 affected.
2) Symptoms of gallstones/cholecystitis include pain in the right upper abdomen and back, nausea, vomiting, fever, and tenderness when pressing on the right costal margin or xiphoid process.
3) Treatment options include stone dissolution, lithotripsy, laparoscopic cholecystectomy (removal of the gallbladder through small incisions), and open or laparoscopic surgery on the biliary ducts to remove stones or correct strictures.
Role Of Emergency ERCP in the Management of Biliary Sepsis Acute Cholangitis ...iosrjce
IOSR Journal of Dental and Medical Sciences is one of the speciality Journal in Dental Science and Medical Science published by International Organization of Scientific Research (IOSR). The Journal publishes papers of the highest scientific merit and widest possible scope work in all areas related to medical and dental science. The Journal welcome review articles, leading medical and clinical research articles, technical notes, case reports and others.
Choledochal cysts should be considered in the differential diagnosis in all patients with a history of biliary colic, recurrent cholangitis or pancreatitis with associated dilatation of bile duct, particularly if they are <40 years of age. Delay in the diagnosis increases the incidence of associated biliary pathology and suboptimal surgical therapy
This presentation is about peptic ulcer disease , including:Pathomorphology,etiology,symptoms,complications,diagnosis and pharmacotherapy,asurgical intervention and prevention...
PowerPoint presentation on Choledochal Cysts, also known as biliary cyst, uploaded by Dr. Vaskar Humagain, first presented in 31st December, 2013. This presentation contains all the information about Choledochal Cysts, the original and revised Todani classification of choledochal cysts, pathogenesis, other associated congenital anomalies, clinical features in infant and adult, management of choledochal cysts. Comments are highly welcome :)
Basic principles of ultrasound.
Terms used in ultrasound.
Advantages of ultrasound.
Definition of acute abdomen.
Differential Diagnosis.
Abdominal ultrasound technique.
USG findings in most common pathologies.
Conclusion.
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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
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.
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.
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!
These simplified slides by Dr. Sidra Arshad present an overview of the non-respiratory functions of the respiratory tract.
Learning objectives:
1. Enlist the non-respiratory functions of the respiratory tract
2. Briefly explain how these functions are carried out
3. Discuss the significance of dead space
4. Differentiate between minute ventilation and alveolar ventilation
5. Describe the cough and sneeze reflexes
Study Resources:
1. Chapter 39, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 34, Ganong’s Review of Medical Physiology, 26th edition
3. Chapter 17, Human Physiology by Lauralee Sherwood, 9th edition
4. Non-respiratory functions of the lungs https://academic.oup.com/bjaed/article/13/3/98/278874
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.
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.
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.
2. Actuality and practical importance
More than 20 million people in the USA
have gallstones in their gallbladders; about
300,000 operations are performed annually
for this disease, and at least 6000 deaths
result from its complications or treatment.
The incidence of gallstones rises with age,
so that between 50 and 65 years of age
about 20% of women and 5% of men are
affected. About 40% of world population
after forty can have such problem
according to data of Shalimov A.A.
Approximately 15% of patients with stones
in the gallbladder are found to
harborcalculi within the bile ducts.
Common duct stones are usually
accompanied by others in the gallbladder,
but in 5% of cases, the gallbladder is
empty. The number of duct stones may
vary from one to more than 100.
4. Varied complaints of cholelithiasis (or
cholecystitis) are first of all connected with
numerous of pathological forms and complications
1. Pain syndrome in typical points,
2. Sensation of bitterness in a mouth;
3. Skin itch;
4. Pain irradiation;
5. Mental asthenia;
6. Irritability;
7. Fatigability;
8. Fever hyperpyrexia;
9. Biliary dyspepsia;
10. Meteorism;
11. Heartburn;
12. Foul-smelling eructation;
13. Diarrhea and constipation are the main symptoms in
patients with cholecystitis.
Some of complaints are connected with concomitant pathology
(sliding hiatal hernia, duodenal peptic ulcer, colitis, gastritis and etc.)
Regardless of
composition, all
gallstones give rise
to similar clinical
sequelae.
5. Clinical symptoms and signs
Symptom of Ortner-Grekov- tenderness during
giving a thrashing of right costal margin by the palm
border.
Pekarsky symptom - full-blown tenderness while
pressing on xiphoid (ensiform) cartilage.
Symptom of Mussi-Georgievsky is connected with
stimulation of phrenic nerve which is projected in
supraclavicular area (phrenic sign).
Symptom of Ionash – hypersensetization of pain
during palpation of the right side of cervical spinous
processes (stimulation of phrenic nerve endings)
Fedorov’s symptom — palpation the area of
gallbladder and detection “crepitation of bile stones”
in it.
6. Labarotory investigations and diagnostic
examination of the biliary tree
Laboratory tests (bilirubin)
Duodenal intubation (fractional duodenal probing)
USD
Endoscopy of stomach and duodenum
Nuclear magnetic resonance imaging
Spiral computer tomography
Radiological imaging (X-ray study)
1. Plain Abdominal Film
2. Cholegraphy (cholecystography)
3. An upper gastrointestinal series with barium
4. Endoscopic Retrograde Cholangiopancreatography (ERCP)
5. Percutaneous Transhepatic Cholangiography (THC, PTC)
Radionuclide scan
Hepatoangiography
Laparoscopy
7. Management of cholelithiasis
Dissolution of stones
Lithotripsy
1. Ultrasound distant lithotripsy (DLT)
(Nowadays the manipulation is performed after
endoscopic retrograde cholangiopancreatography
and endoscopic papillosphincterotomy with the help
of device"Sonolith-3000", “Dornier Compact” и
"Modulith" for exstracorporal lithotripsy, (scientific
principle of blow gidravlic wave)
2. Mechanical
3. Laser-induced
9. Advantages of endoscopic operations:
The frequency of earnest postoperative
complications is decreased
Intraabdominal commissural formation
is decreased
The terms of hospitalization and
rehabilitative period are reduced
The danger of postoperative hernia
formation is decreased
•Cholecystectomy through minilaparotomy
(M.I. Prudkov, 1997)
•
•Laparoscopic surgery of cholelithiasis
11. Biliary ducts’ surgery
restorative surgery – patency renewal
(resumption) of great (main) bile ducts’
portions (evacuation of stones,
elimination of duct’s strictures or
compression, papillosphincterotomy)
reconstructive surgery — all kinds of
collaterial bile outflow by performing of
biliary-enteric bypasses (anastomosises).
12. According to variant of bile divertion drain(age)s can be:
1) external;
2) internal (lost drain(age)s).
According to opportunity of draining function control and
drain fixation:
1) relatively controlled (unstable fixated);
2) rigid (strong, secure) fixated;
3) controlled, changed;
4) non-controlled.
According to terms of function:
1) short-term (dated) (7—14 days);
2) long-term (to 3 months);
3) prolonged (more than 3 months);
4) constant (permanent).
External draining of bile ducts
13. Forms of cholecystitis and
cholecystolithiasis
Chronic form
Chronic acalculous cholecystitis
Chronic calculous cholecystitis
Acute form
Acute acalculous cholecystitis
Acute calculous cholecystitis
14. Acute acalculous cholecystitis
Thrombosis and
embolism of the
cystic artery
Acute
cholecystitis of
allergic genesis
Acute
cholecystitis of
enzymatic genesis
Infection