This document provides guidance on performing an abdominal examination, including inspection, auscultation, percussion, and palpation of the abdomen. It describes positioning the patient, examining the general appearance, listening for bowel sounds, percussing different areas, and specifically palpating the liver, spleen, kidneys, aorta, hernias, and rectum. It also lists common abdominal conditions and questions to ask regarding symptoms like dysphagia, pain, diarrhea, and nausea/vomiting.
In this PPT presentation I try to teach many causes of Abdominal pain in various quadrants of the abdomen. Since it is individual case based teaching i concentrate only in the essential minimum an undergraduate medical student should know and you will have immersive learning experience.
Gastrointestinal bleeding (GI bleed), also known as gastrointestinal hemorrhage, is all forms of bleeding in the gastrointestinal tract, from the mouth to the rectum. When there is significant blood loss over a short time, symptoms may include vomiting red blood, vomiting black blood, bloody stool, or black stool.
In this PPT presentation I try to teach many causes of Abdominal pain in various quadrants of the abdomen. Since it is individual case based teaching i concentrate only in the essential minimum an undergraduate medical student should know and you will have immersive learning experience.
Gastrointestinal bleeding (GI bleed), also known as gastrointestinal hemorrhage, is all forms of bleeding in the gastrointestinal tract, from the mouth to the rectum. When there is significant blood loss over a short time, symptoms may include vomiting red blood, vomiting black blood, bloody stool, or black stool.
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The abdominal examination consists of four basic components: inspection, palpation, percussion, and auscultation. It is important to begin with the general examination of the abdomen with the patient in a completely supine position. The presence of any of the following signs may indicate specific disorders.
Intestinal obstruction is blockage of the intestine with help of a foreign body or any other causes like cancer it will obstruct the intestine. signs and symptoms of obstruction nausea, vomiting, pain, and etc.managemt like medical ad surgical are there. see any infection in the ostomy .advice life eat a bland diet, change the pouch, avoid smell food like cabbage, etc, eat as chew and eat should bd advised
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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
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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.
5. Clinical History Taking- Review of
systems.
• Gastrointestinal – Surgery
– Weight loss – Medications
– Nausea, vomiting – Last Period
– Dysphagia – Family History
– Regurgitation, flatulan – Alcohol
ce, heartburn – Diet
– Abdominal pain – Stress
– Stool frequency
Jonathan Downham 2010
6. Abdominal Examination
Patient Position
•Good lighting
•Undressed nipple to knees
•Modesty blanket
•Flat on couch with single pillow for head
•Arms by their sides
•If unable to fully relax abdomen than flex
hips to 45 degrees and knees to 90 degrees.
Jonathan Downham 2010
7. Abdominal Examination
General Inspection
•Pain, distress, cachexia, pallor or
jaundice.
•Hands
•Metabolic flap- hepatic
encephalopathy, carbon dioxide retention or
ureamia
•Aneamia
•Eyes
•Face
•Abnormal pigmentation around lips
•Angular stomatitis
•Oral cavity Jonathan Downham 2010
9. Abdominal Examination
Inspection.
•Symmetry
•Abdominal pulsation
•Shape
•The five F’s
•Scars
•Sinuses
•Fistulas e.g. crohns
•Visible peristalsis due to intestinal
obstruction
•Distended veins
Jonathan Downham 2010
10. Abdominal Examination
Auscultation
•May be best to do this before palpating.
•Listen specifically for bowel sounds
•Place stethoscope to right of umbilicus and do
not move it.
•Normal sounds occur every 5-10 seconds
•Listen above umbilicus over aorta for bruits
•Place stethoscope 2-3cm above and lateral to
umbilicus and listen for renal artery bruits.
Jonathan Downham 2010
11. Abdominal Examination
Percussion
•Percuss over whole abdomen
•Pay attention to any masses you may have
detected.
•If ascites is suspected test for shifting
dullness
•Orientate your hands correctly
Jonathan Downham 2010
12. Abdominal Examination
Palpation
Ask the patient where the pain is.
Warn the patient you are about to
put your hand on them.
Light palpation
Deep palpation
Specific palpation of
the intra-abdominal
organs
Jonathan Downham 2010
13. Abdominal Examination
Light Palpation
•Commence palpation at a site remote from
any area of discomfort.
•All areas must be palpated systematically
•Use the nine quadrants as a guide.
•Is performed to elicit
any tenderness or guarding
•Lie hands and fingers flat
•Press very gently.
Deep Palpation
Jonathan Downham 2010
15. Abdominal Examination
Palpation of intra abdominal organs.
Liver
•Start with hand at right iliac fossa, fingers
pointing to head
•Palpate deeply whilst patient breathes in and
out deeply
•If nothing is felt repeat the process moving
the hand up slightly.
•If edge is palpable describe:
•Size
•Contour
•Texture
•Tenderness Jonathan Downham 2010
20. Abdominal Examination
Hernias
•Examine groin with patient standing upright
•Inspect inguinal and femoral canals and scrotum
for any lumps and bumps
•Ask patient to cough; look for any impulses
•Ask the patient to lie down and establish if the
hernia reduces.
•Press two fingers over the internal inguinal ring
at the mid inguinal point and ask patient to cough
•If it reappears it is a direct hernia, if not it is
indirect.
Jonathan Downham 2010
21. Abdominal Examination
Rectal Examination
•Explain
•Position- left lateral, knees drawn up
•Examine peri-anal area
•Lubricate
•Pulp of finger at 6 0’clock an anal margin
•Anal spasm- stop, try again, local suppository
may be required.
•Ask patient to squeeze your finger
•Identify cervix/prostate
•Withdraw finger and examine for colour/blood
Jonathan Downham 2010
22. Abdominal Examination
Common abdominal conditions
•Dysphagia/odynophagia
•Questions
•Trouble swallowing both solids and liquids?
•Where does blockage seem to be?
•Intermittent or persistent
•Has it been getting worse?
•Coughing or choking when starting to swallow
•Heartburn or acid indigestion
•Weight loss
Jonathan Downham 2010
23. Abdominal Examination
Common abdominal conditions
•Pain
•SOCRATES
•Site
•Onset
•Character
•Radiation
•Associated symptoms
•Timing
•Exacerbating or relieving factors
•Severity
Jonathan Downham 2010
24. Abdominal Examination
Common abdominal conditions
•Diarrhoea
•Secretory
•Osmotic
•Abnormal intestinal motility
•Exudative
•Malabsorption
Jonathan Downham 2010
25. Abdominal Examination
Common abdominal conditions
•Diarrhoea- questions
•How many stools per day
•What do they look like
•?urgency
•Woken at night?
•Blood mucus or pus?
•Pale, greasy, smelly?
•Lost weight?
•Recent travel?
•Antibiotics?
•Family history
•Recent fevers?
Jonathan Downham 2010
26. Abdominal Examination
Nausea and vomiting
•Questions
•Acute or chronic?
•Vomiting with or without nausea?
•How long after meal?
•What does it look
like..blood/bile/faeculent
•Abdo pain
•Weight loss?
•Medications?
Jonathan Downham 2010
Editor's Notes
GastrointestinalWeight lossChronic...over what time period....if unsure of weight loss have their clothes/jewellery become too bigDeliberate....dietingNausea, vomitingNature of vomit....bile, blood, coffee groundsWhen does it occur in relation to eating?Do you have any appetite?DysphagiaWhere does it stick...ask patient to pointIs it for food or drink or both?Abdominal painAre there any foods particularly associated with pain....fatty?SOCRATES!S- siteO- onsetC- characterR- radiatingA- associated symptomsT- timingE- exacerbating or relieving factorsS- severityStool frequencyWhen were bowels last opened?When was flatus last passed?Change in colour of stoolsHas there been a change in bowel habit?
Normal FindingsLiverUpper border – 5th right intercostal space on full expirationLower border – at costal margin in the midclavicular line on full inspirationSpleenUnderlies left ribs 9, 10, 11 to the mid axillary lineGallbladderIntersection of right lateral vertical plane and the costal marginPancreasNeck – level of L1Head below and rightTail above and rightKidneysUpper pole lies deep to the 12th rib posteriorly, 7cm from the midlineRight is 2-3cm lower than the left.
GastrointestinalWeight lossChronic...over what time period....if unsure of weight loss have their clothes/jewellery become too bigDeliberate....dietingNausea, vomitingNature of vomit....bile, blood, coffee groundsWhen does it occur in relation to eating?Do you have any appetite?DysphagiaWhere does it stick...ask patient to pointIs it for food or drink or both?Abdominal painAre there any foods particularly associated with pain....fatty?SOCRATES!S- siteO- onsetC- characterR- radiatingA- associated symptomsT- timingE- exacerbating or relieving factorsS- severityStool frequencyWhen were bowels last opened?When was flatus last passed?Change in colour of stoolsHas there been a change in bowel habit?MedicationsAspirin, ibuprofenH2 channel blockers DietHow much, how oftenCaffeineHow much noncaffeinated fluid each day
General InspectionPain, distress, cachexia, pallor or jaundice.HandsMetabolic flap- hepatic encephalopathy, carbon dioxide retention or ureamiaAneamiaEyesScelera for jaundice and lower eyelid for aneamiaFaceAbnormal pigmentation around lipsjaundiceAngular stomatitisIron deficiency aneamia or vit b deficiencyOral cavityUlcerationInflammationOral CandidiasisHalitosis
Infection: This can increase the number of white blood cells, which multiply in response to stimulation with a foreign substance (antigen)Virus: Immune reaction to a generalized infection in the body such as viral infections that can occur with the common cold as well as more serious infections such asHIVInflammation: Infiltration with inflammatory cells during infection or inflammation in a region of a given lymph nodeCancer: Infiltration with malignant cells (metastases) brought to the node with the lymph flowing from an area of certain types of cancerCancer of the Blood: Uncontrolled, malignant multiplication of lymphocytes as in lymphoma or leukemiaFor palpation of preauricular nodes, roll your finger in front of the ear, against the maxilla.Sub occipital lymph nodes are palpable immediately behind the ear.Posterior cervical nodes are behind sternomastoid and in front of Trapezius.Sub maxillary and Sub mental nodes: Roll your fingers against inner surface of Mandible with patient's head gently tilted towards one side.Tonsillar nodes: At the angle of MandibleDeep cervical lymph nodes should be palpated, one side at a time. Gently bend the patient's head forward and roll your fingers over the deeper muscles along the carotid arteries.To feel Scalene nodes roll your fingers gently behind the clavicles. Instruct the patient to cough or to bear down like they are having a bowel movement. Occasionally an enlarged lymph node may pop up.
Inspection.SymmetryMassive splenomegaly produces a bulge on the left sideAbdominal pulsationDue to abdominal aortic dissectionShapeDistensionThe five F’sCauses of abdominal distensionFatFluid FaecesFetusflatusScarsSinusesFistulas e.g. crohnsVisible peristalsis due to intestinal obstructionDistended veins
Listen above umbilicus over aorta for bruitsAtheramatous or anuerysmal aorta or superior mesenteric stenosis
Animation CAREFUL!!Percussion words move outPic Moves in.
Need to get patients confidence and prevent voluntary guarding.Deep palpationWarn patient that you will be pressing more firmly and feel for any obvious masses.
If edge is palpable describe:Size- as finger breadths below costal marginContour- regular or irregularTexture- smooth, nodularTenderness-
Normal 7-10 cm
Start in the right iliac fossa with the fingers pointing towards the left costal marginIf you cannot feel the splenic edge ask the patient to roll towards you.Palpate with your right hand, placing your left hand behind the patients left lower ribs pulling the ribcage forward.
Left KidneyPlace left hand in the left loin below the 12th rib, lateral to the erector spinae muscles and above iliac crestPlace right hand anteriorly just above the anterior superior iliac spineAsk patient to take a deep breath and press down with upper hand.Right KidneySame as above
An AAA is both pulsatile and expansile (fingers will be pushed outwards)A non-aneurysmal abdominal aorta is only pulsatile.
The inguinal canal extends from the pubic tubercle to the superior anterior iliac spineIt has an internal ring at the mid-inguinal point and an external ring at the pubic tubercle.
Abnormal stool colour:Abnormally pale- biliary obstructionBlack and tarry- bleeding from upper GI tractGrey/black- iron therapyPale and greasy- steatorrhoeaFresh blood- large bowel, rectal or anal bleedingStool mixed with pus- infective colitis, or inflammatory bowel disease.
Common abdominal conditionsDysphagia/odynophagiaCausesOesophagitisCarcinomaPharyngeal pouchForeign bodyGoitreMediastinal tumourAchalsia- motility disorder involving the smooth muscleQuestionsTrouble swallowing both solids and liquids?- if so suggestive of achalasiaWhere does blockage seem to be?
SOCRATESSiteAsk patient to point to the area of pain.Parietal peritoneal inflammation usually causes localised painOnsetCharacterEg. Colicky or steady, dull or sharp.Colicky pain can come from obstruction of bowel or ureters.RadiationOften radiates to the back with pancreatic disease or penetrating peptic ulcerAssociated symptomsTimingExacerbating or relieving factorsEating may precipitate pain (ischaemic gut)Antacids or vomiting may relieve peptic ulcer pain or that of gastro-oesphageal reflux.Relief by rolling around may be colickyRelief by staying perfectly still could be peritonitis.Severity
DiarrhoeaSecretoryHigh volumePersists when patient fastsCaused by infections (e-coli, staph)OsmoticCharacterised by its disappearance with fasting.Large volume stools related to ingestion of foodCaused by solute dragLactose intolerance, magnesium antacids or gastric surgery.Abnormal intestinal motilityIBSExudativeInflammation of the colonSmall volume but frequentMaybe blood or mucusMalabsorptionSteatorrhoeaFatty pale, smelly, float.