Skin infections and infestations are commonly seen in primary care. They include bacterial infections like impetigo and cellulitis, fungal infections such as ringworm and candidiasis, viral infections including herpes and warts, and infestations like scabies and head lice. Treatment depends on the specific infection, but may involve topical or oral antibiotics, antifungals, antivirals, or insecticide creams and solutions. Accurate diagnosis is important for effective management of skin infections and infestations.
This slide is about Oral Griseofulvin, its pharmacology, adverse effects, dosage and administration, interactions and its role in management of dermatophytosis such as tinea corporis, tinea cruris, tinea capitis,
LEPROSY
CELLULITIS
IMPETIGO
LEPROSY REVISION NOTES FOR NEET PG AIIMS PREPARATION
WITH HIGH YIELD TOPICS BASED ON LECTURE NOTES AND PREVIOUS YEAR QUESTIONS
\\
This slide is about Oral Griseofulvin, its pharmacology, adverse effects, dosage and administration, interactions and its role in management of dermatophytosis such as tinea corporis, tinea cruris, tinea capitis,
LEPROSY
CELLULITIS
IMPETIGO
LEPROSY REVISION NOTES FOR NEET PG AIIMS PREPARATION
WITH HIGH YIELD TOPICS BASED ON LECTURE NOTES AND PREVIOUS YEAR QUESTIONS
\\
These slides were taken from a webinar about canine pyoderma given by Anthony Chadwick, a veterinary dermatologist, based in the north of England. It covers a description of pyoderma, various treatments and the problem of antibiotic resistance
The skin is not only the largest organ of the body, but it also forms a living biological barrier with several functions.
Pyodermas are any pyogenic skin disease (has pus). Skin infections can be caused by bacteria (often Staphylococcal or Streptococcal) either invading normal skin, or affecting a compromised skin barrier
Some bacterial skin infections resolve without serious morbidity. However, skin infections can be severe and result in sepsis or death, particularly in vulnerable patient groups.
Conjunctivitis is an inflammation or swelling of the conjunctiva. The conjunctiva is the thin transparent layer of tissue that lines the inner surface of the eyelid and covers the white part of the eye. Often called "pink eye".
Muktapishti is a traditional Ayurvedic preparation made from Shoditha Mukta (Purified Pearl), is believed to help regulate thyroid function and reduce symptoms of hyperthyroidism due to its cooling and balancing properties. Clinical evidence on its efficacy remains limited, necessitating further research to validate its therapeutic benefits.
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.
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
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
Integrating Ayurveda into Parkinson’s Management: A Holistic ApproachAyurveda ForAll
Explore the benefits of combining Ayurveda with conventional Parkinson's treatments. Learn how a holistic approach can manage symptoms, enhance well-being, and balance body energies. Discover the steps to safely integrate Ayurvedic practices into your Parkinson’s care plan, including expert guidance on diet, herbal remedies, and lifestyle modifications.
ABDOMINAL TRAUMA in pediatrics part one.drhasanrajab
Abdominal trauma in pediatrics refers to injuries or damage to the abdominal organs in children. It can occur due to various causes such as falls, motor vehicle accidents, sports-related injuries, and physical abuse. Children are more vulnerable to abdominal trauma due to their unique anatomical and physiological characteristics. Signs and symptoms include abdominal pain, tenderness, distension, vomiting, and signs of shock. Diagnosis involves physical examination, imaging studies, and laboratory tests. Management depends on the severity and may involve conservative treatment or surgical intervention. Prevention is crucial in reducing the incidence of abdominal trauma in children.
8. What did the review look at?
• Do topical antibiotics work
• Are they as good as oral antibiotics
• Which oral antibiotics work and which don’t
• Do we need different treatments for localised
and extensive disease
• Do disinfectant treatments work
What do you think will be the answers?
9. Cochrane results (1)
• 68 RCTs (n 5708) oral treatments and topical
treatments, including placebo,
• Topical antibiotics better than topical placebo
• Topical mupirocin and fusidic acid as effective
as oral antibiotics for localised disease There
• Topical mupirocin superior to oral
erythromycin
10. Cochrane results (2)
• Oral penicillin not effective for impetigo, but
others are e.g. erythromycin and cloxacillin
• Not clear if oral antibiotics are superior to
topical antibiotics for extensive impetigo
• Lack of evidence to suggest that using
disinfectant solutions improves impetig
• When 2 studies with 292 participants were
pooled, topical antibiotics were significantly
better than disinfecting treatments
11. Cellulitis
• Bacterial infection of the
skin and deeper tissues
• Commonest on the legs
• May be localised
symptoms
• Commonly systemic
symptoms, fever and
malaise
13. Cellulitis: predisposing factors
• Previous episode(s) of
cellulitis
• Venous disease,leg ulcers
• Current or prior injury (e.g.
trauma, surgical wounds)
• Diabetes
• Alcoholism
• Obesity
• Pregnancy
• Tinea pedis in the toes of the
affected limb
• Fissured eczema soles
14. Cellulitis:organisms and treatment
• Two thirds due to strep
pyogenes
• Staph aureus
• Rarities (dog bites etc)
• Oral or IV antibiotics
• Usually penicillin or
erythromycin
• TREAT UNDERLYING
PREDISPOSING FACTOR
16. Cellulitis: Cochrane review
• 25 CTs, no two trials investigated the same
antibiotics, and there was no standard
treatment regime used as a comparison
• The best treatment for cellulitis could not be
decided on the evidence
• No single treatment was clearly superior
17. Cellulitis: Cochrane review
• Surprisingly, oral antibiotics appeared to be
more effective than IV for moderate to severe
celullitis
• IM antibiotics as effective as IV
• More studies needed
18. Recurrent cellulitis
Patients with recurrent cellulitis should:
• Avoid trauma
• Keep skin clean and nails well tended
• Avoid blood tests from the affected limb
• Treat fungal infections of hands and feet early
• Keep swollen limbs elevated during rest periods to
aid lymphatic circulation
• Chronic lymphoedema: compression garments.
• Long term low dose antibiotic treatment with
penicillin or erythromycin.
19. Recurrent cellulitis (PATCH study)
• Systematic review
• Antibiotic prophylaxis reduces recurrent
cellulitis
• Not clear what dose, what length of time or
which antibiotic
• PATCH studies used 12 months penicillin V 250
twice daily
• http://www.nottingham.ac.uk/research/group
s/cebd/projects/patch.aspx
23. Tinea corporis
• Asymmetrical
• Ringed/annular
• Central sparing
• Scaly
• Pruritic
• Ideally take scraping for
mycology
• Topical imidazole and
steroid eg Daktacort
24. Dermatophytes: tinea capitis
• Not usually from
animals these days
• Typically trichophytum
tonsurans
• Children
• Scaly patches, itchy
• Hair loss
• Spreads between
families
25. Tinea capitis
• Hair for mycology (NOT just
skin) and family
• Confirm diagnosis
mycologically
• Treat with terbinafine
wherever possible: 12
weeks
• DTB article reviews choices
• No licence for children but
accepted practice
26. Dermatophytes: tinea unguum
• Very common
• Typically elderly
• May act as a reservoir
for recurrent infections
• Nail dystrophy
• Asymmetrical
• Confirm with mycology
27. Tinea unguum
• DTB review of
treatment
• Topical therapy
relatively ineffective
• Amorolfine nail paint
• Oral therapy:
terbinafine 12 week
course
• Relatively safe
• Recurrence common
28. Candidal skin infections
• Common cause of
nappy rash
• Candidal vulvitis
• Pruritic
• Satellite lesions
• Responds to imidazole
creams
29. Pityriasis versicolor
• Common in young
adults
• Widespread scaly
erythematous
macules
• Slow progression
• Often presents with
hypopigmented
macules
31. Intertrigo
• Rash in body folds
• Moist environment
• Bacteria and yeast
thrive
• Range of different
causes
• Infections and
inflammatory
dermatoses
• Treat underlying cause
Candidal intertrigo
37. HSV type 1: key points
• Usually symptomatic treatment
• Patient initiated aciclovir tablets
• Long term aciclovir for recurrent episodes
• Suspect eczema herpeticum: treat and refer
38. Herpes zoster (shingles)
• Reactivation of
chicken pox virus
• Virus in vesicles
• Commoner in elderly
and immune
compromised
• Occurs in children
• Dermatomal pattern
39. Herpes zoster
• Pain precedes rash
• 1-3 days later crops of
blisters
• Chest neck and forehead
commonest sites
• Healing slow in the
elderly
• Post-herpetic neuralgia
40. Herpes zoster management
• If early, antivirals
orally
• Topical antiseptics or
antibacterials as
necessary
• Pain relief
• Capsaicin
• Gabapentin
45. Molluscum contagiosum: Cochrane 2010
• Cochrane review 2010
• 11 studies 495
participants
• Poor quality
• Australian lemon myrtle
oil ? Some benefit
• Overall no single
intervention
convincingly effective…
46.
47.
48. Viral warts
• Very common
• Self limiting
• Studies show 12% in 4-6 yr olds, 4.9% in 16
year olds
• Those with warts at 11yrs, 93% no warts at
16yrs old
• Commoner in butchers, abbatoir workers
• HPV self limiting
53. Cryotherapy for warts:
outcomes
• 3 month cure rate 52%
• Cure rate in second 3 months 41%
• Cryotherapy as effective as wart paint
after 3 months
• 25% are unresponsive
57. Scabies
• Sarcoptes scabeii mite
• Burrows fingers wrists
• 4-6 weeks later
eczematous reaction
• Intensely pruritic
• Widespread eczema
major feature
• Spreads between close
contacts
58. Scabies: treatment of mite
• Treat whole family/all
close contacts
• Permethrim cream
(lyclear)
• All at the same time
• Neck down, overnight
application
• Wash bedlinen
• Retreat one week later
59. Scabies: treat eczema
• Very important
• Eczema may persist for
4-6 weeks after clearing
mite
• Topical steroids and
emollients
• Extent of eczema
variable
60. Ivermectin and scabies
• Difficult to treat scabies
• Oral ivermectin
• Single oral dose 200mcg per kg
• Particularly crusted/Norwegian scabies
• https://www.nice.org.uk/advice/esuom29/cha
pter/Key-points-from-the-evidence
61. Pediculosis: Head lice
• Common
• Louse feeds on scalp
blood
• Nits on hair
• May be relatively
asymptomatic
62. Head lice
• Widespread problem
• Treatment difficult
• Chemical measures
• Physical methods
• Suffocation (!)
• New treatments
63. Head lice
• Isopropyl myristate 50% in cyclomethicone
solution
• Full Marks Solution – SSL International
• Physical mode of action
• 10-minute contact time
• Very effective
• First line treatment
• DTB article
http://dtb.bmj.com/content/47/5/50