This document discusses different types of hernias including umbilical, inguinal, femoral, and incisional hernias. It describes the causes, symptoms, and characteristics of each type. Umbilical hernias occur through weak abdominal muscles and are common in infants. Inguinal hernias occur in the groin and can be indirect or direct. Femoral hernias occur in the upper thigh near the groin. Incisional hernias occur through weak scar tissue from a previous surgery. The document provides details on causes such as straining, lifting, or obesity and symptoms such as bulges or pain with each type of hernia.
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A hernia is the abnormal exit of tissue or an organ, such as the bowel, through the wall of the cavity in which it normally resides. Hernias come in a number of types. Most commonly they involve the abdomen, specifically the groin. Groin hernias are most commonly of the inguinal type but may also be femoral
Definition
Type of Hernia
risk factor
pathophysiology
diagnostic procedure
physical assessment
management for hernia
Nursing Diagnosis
Health Education
Hemorrhoids are swollen veins in the lowest part of your rectum and anus. Sometimes, the walls of these blood vessels stretch so thin that the veins bulge and get irritated, especially when you poop. Hemorrhoids are also called piles.
Search Results
Featured snippet from the web
A hernia is the abnormal exit of tissue or an organ, such as the bowel, through the wall of the cavity in which it normally resides. Hernias come in a number of types. Most commonly they involve the abdomen, specifically the groin. Groin hernias are most commonly of the inguinal type but may also be femoral
Definition
Type of Hernia
risk factor
pathophysiology
diagnostic procedure
physical assessment
management for hernia
Nursing Diagnosis
Health Education
Hemorrhoids are swollen veins in the lowest part of your rectum and anus. Sometimes, the walls of these blood vessels stretch so thin that the veins bulge and get irritated, especially when you poop. Hemorrhoids are also called piles.
Hiatal hernia
Synonyms Hiatus hernia
Hiatalhernia.gif
A drawing of a hiatal hernia
Specialty Gastroenterology, general surgery
Symptoms Taste of acid in the back of the mouth, heartburn, trouble swallowing[1]
Complications Iron deficiency anemia, volvulus, bowel obstruction[1]
Types Sliding, paraesophageal[1]
Risk factors Obesity, older age, major trauma[1]
Diagnostic method Endoscopy, medical imaging, manometry[1]
Treatment Raising the head of the bed, weight loss, medications, surgery[1]
Medication H2 blockers, proton pump inhibitors[1]
Frequency 10–80% (US)[1]
[edit on Wikidata]
A hiatal hernia is a type of hernia in which abdominal organs (typically the stomach) slip through the diaphragm into the middle compartment of the chest.
Hiatal hernia
Synonyms Hiatus hernia
Hiatalhernia.gif
A drawing of a hiatal hernia
Specialty Gastroenterology, general surgery
Symptoms Taste of acid in the back of the mouth, heartburn, trouble swallowing[1]
Complications Iron deficiency anemia, volvulus, bowel obstruction[1]
Types Sliding, paraesophageal[1]
Risk factors Obesity, older age, major trauma[1]
Diagnostic method Endoscopy, medical imaging, manometry[1]
Treatment Raising the head of the bed, weight loss, medications, surgery[1]
Medication H2 blockers, proton pump inhibitors[1]
Frequency 10–80% (US)[1]
[edit on Wikidata]
A hiatal hernia is a type of hernia in which abdominal organs (typically the stomach) slip through the diaphragm into the middle compartment of the chest.
Femoral hernia is the third common hernia after inguinal and incisional hernias. The swelling in femoral hernia is below and lateral to pubic tubercle. It is more common in females. Strangulation is very common in this hernia.
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Out of a variety of Digestive System diseases, Hernia is common and associated with obesity. the presentation gives a brief overview regarding the management of hernias in clinical surgical departments of Hospitals.
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ONCOLOGICAL AND INFLAMMATORY SKIN DISEASES?
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- ETHICAL CHALLENGES IN LIFE SCIENCES
- Prix Galien International Awards Ceremony
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.
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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The prostate is an exocrine gland of the male mammalian reproductive system
It is a walnut-sized gland that forms part of the male reproductive system and is located in front of the rectum and just below the urinary bladder
Function is to store and secrete a clear, slightly alkaline fluid that constitutes 10-30% of the volume of the seminal fluid that along with the spermatozoa, constitutes semen
A healthy human prostate measures (4cm-vertical, by 3cm-horizontal, 2cm ant-post ).
It surrounds the urethra just below the urinary bladder. It has anterior, median, posterior and two lateral lobes
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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
Knee anatomy and clinical tests 2024.pdfvimalpl1234
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2. TYPES OF HERNIA
UMBILICAL HERNIA
INGUINAL HERNIA
- Indirect inguinal hernia
- Direct inguinal hernia
FEMORAL HERNIA
INCISIONAL HERNIA
3. UMBILICAL HERNIA
Occurs when part of the intestine protrudes
through an opening in the abdominal muscles.
Its most common in infants, but they can affect
adults as well. In an infant, an umbilical hernia
may be especially evident when the infant
cries, causing the baby's bellybutton protrude.
This is a classic sign of an umbilical hernia.
4. CONTINUE…
Most umbilical hernias close on their own by
age 1, though some take longer to heal. To
prevent complications, umbilical hernias that
don't disappear by age 4 or those that appear
during adulthood may need surgical repair.
Umbilical hernia is a common and typically
harmless condition
5.
6. CAUSE
During pregnancy, the umbilical cord passes
through a small opening in the baby's abdominal
muscles. The opening normally closes just
before birth. If the muscles don't join together
completely in the midline of the abdomen, this
weakness in the abdominal wall may cause an
umbilical hernia at birth or later in life.
In adults, too much abdominal pressure can
cause an umbilical hernia. Possible causes in
adults include:-
8. SYMPTOMS
Soft swelling or bulge near the
navel (umbilicus).
Baby will crying because pain
The baby begins to vomit
The bulge becomes
tender, swollen or discolored
9. INGUINAL HERNIA
Is a condition in which intra-abdominal fat or
part of the small intestine (small bowel), bulges
through a weak area in the lower abdominal
muscles. It occurs in the groin—the area
between the abdomen and thigh. This type of
hernia is called inguinal because fat or part of
the intestine slides through a weak area at the
inguinal ring, the opening to the inguinal canal.
10. CONTINUE…
An inguinal hernia appears as a bulge
on one or both sides of the groin. An
inguinal hernia can occur any time
from infancy to adulthood and is much
more common in males than females.
Inguinal hernias tend to become larger
with time.
11. AN INGUINAL HERNIA SHOWING THE SMALL INTESTINE
DESCENDING THROUGH THE INGUINAL CANAL.
12. CAUSE
The two types of inguinal hernia have different
causes.
Indirect inguinal hernia. Indirect inguinal hernias are
congenital hernias and are much more common in
males than females because of the way males
develop in the womb. In a male fetus, the spermatic
cord and both testicles—starting from an intra-
abdominal location—normally descend through the
inguinal canal into the scrotum, the sac that holds the
testicles
13. CONTINUE…
Sometimes the entrance of the inguinal canal at
the inguinal ring does not close as it should just
after birth, leaving a weakness in the abdominal
wall. Fat or part of the small intestine slides
through the weakness into the inguinal canal,
causing a hernia. In females, an indirect
inguinal hernia is caused by the female organs
or the small intestine sliding into the groin
through a weakness in the abdominal wall.
14. CONTINUE…
Indirect hernias are the most common
type of inguinal hernia. Premature
infants are especially at risk for
indirect inguinal hernias because there
is less time for the inguinal canal to
close.
15. CONTINUE…
Direct inguinal hernia. Direct inguinal hernias are
caused by connective tissue degeneration of the
abdominal muscles, which causes weakening of the
muscles during the adult years. Its occur only in
males. The hernia involves fat or the small intestine
sliding through the weak muscles into the groin. A
direct hernia develops gradually because of
continuous stress on the muscles. One or more of the
following factors can cause pressure on the
abdominal muscles and may worsen the hernia:-
16. CONTINUE…
sudden twists, pulls, or muscle strains
lifting heavy objects
straining on the toilet because of constipation
weight gain
chronic coughing
Indirect and direct inguinal hernias usually slide
back and forth spontaneously through the inguinal
canal and can often be moved back into the abdomen
with gentle massage.
17. SYMPTOMS
Symptoms of inguinal hernia include :-
a small bulge in one or both sides of the groin that
may increase in size and disappear when lying
down; in males, it can present as a swollen or
enlarged scrotum
discomfort or sharp pain —especially when
straining, lifting, or exercising—that improves when
resting
a feeling of weakness or pressure in the groin
a burning, gurgling, or aching feeling at the bulge
18. FEMORAL HERNIA
A femoral hernia is a bluge in the upper part
of the thigh near the groin.
A hernia occurs when the contents of the
abdomen (usually part of the small intestine)
push through a weak point or tear the thin
muscular wall of the abdomen, which holds the
abdominal organs in place.
19. CAUSE
Most of the time, there is no clear cause
of a hernia. Some hernias may be present
at birth (congenital), but are not noticed
until later in life.
Some factors that contribute to the
development of a hernia include:
Chronic constipation
21. SYMPTOMS
You may see a bulge in the upper thigh next to
the groin.
Most femoral hernias cause no symptoms.
There may be some groin discomfort that is
worse when you stand, lift heavy objects, or
strain.
Sometimes, the first symptoms are abdominal
pain, nausea, and vomiting. This may mean that
the intestine is blocked, which is an emergency.
22. INCISIONAL/VENTRAL HERNIA
A hernia is the protrusion of an organ through
the wall that normally contains it. It occurs in
the abdomen in the area of an old surgical scar.
A part of an organ in the abdomen, such as the
bowel or intestines, protrudes through the
weakened area of the abdominal wall.
23. CAUSE
incisional hernias are caused by
thinning or stretching of scar tissue
that forms after surgery. This
weakened scar tissue then creates
a weakness in the abdominal wall.
24. CONTINUE…
Excessive weight gain, physical activity that
places pressure on the abdomen, pregnancy,
straining during bowel movements because of
constipation, severe vomiting, or chronic and
intense coughing causes the scar tissue to thin
or stretch. Because the abdominal wall is weak,
the hernia occurs during abdominal strain.
25. SYMPTOMS
An incisional hernia causes a bulge in the
abdominal area. This type of hernia is often
painless, but may be tender and can cause
discomfort during any type of physical strain,
such as lifting or coughing. The bulge may
disappear when the patient is lying down, and
be more visible when standing up. A hernia can
often be pushed gently back into place.
26. CONTINUE…
This is called a reducible hernia. When a
hernia cannot be pushed back into place, it
means a piece of the organ has become
trapped, or incarcerated. Symptoms
include pain, nausea, vomiting, inability to
have a bowel movement, and a bulge that
remains even when lying down.
27. CONTINUE…
When a portion of an organ is incarcerated,
its blood supply can be cut off, which
means the organ’s tissue will die. This
condition is called a strangulated hernia.
Incisional hernias can increase in size with
time.