GP Flashcards
What is telangiectasia
small dilated blood vessels near the surface, commonly in mucous membranes
MO in impetigo?
staph aureus
Tx of impetigo?
Localised disease:
• 1st line - topical fusidic acid
Extensive:
Oral fluclox. Erythromycin if allergic.
Describe rash of impetigo
Yellow brown crusts which may be bulbous.
pathogen of cellulitis? Tx??
Group A strep or staph aureus
amox or iv co-amox
Patho of chickenpox
Varciella Zoster Virus
Tx of chickenpox?
• Trim nails
• Calamine lotion
IV aciclovir if immunocompromised
Complications of chickenpox?
• Pneumonia
• Encephalitis
Disseminated haemorrhagic chickenpox
Diagnosis of eczema?
Itchy skin condition in last 12 mths and 3+ of: • Onset below age 2 • History of flexural involvement • History of generally dry skin • Personal history of atopy Visible flexural dermatitis
Tx of eczema?
First line:
• Emollients
• Steroids
• Antihistamines
Second line:
UV radiation
Name topical steroids mild, moderate, potent and v potent
• Mild - Hydrocortisone 0.5-2.5%
• Moderate - betamethasone 0.025%
• Potent - Betamethasone 0.1%
Very potent - Dermovate 0.05%
what are the 2 types of contact dermatitis
• Irritant contact dermatitis - non allergic reaction due to weak acids or alkalis. Eythema.
• Allergic Contact dermatitis:
type 4 hypersensitivity.
Patho of psoriasis
Patho:
• Excess Keratinocyte proliferation in epidermis
Can be worsened by environmental stressors
S&S of psoriasis
• Extensor distribution
Erythromatous, scaly patches
• Psoriatic arthropathy • Nail signs - pitting, onycholysis (separation of nail from nailbed) • Systemic complications: ○ CVS disease ○ HTN ○ Venous thromboembolism UC and Crohns
What is guttate psoriasis, epid and tx?
Psoriasis - Guttate: • More common in children and adolescents • Precipitated by strep infection • Tear drop papules on trunk and limbs • Tx: ○ Self resolving most cases Psoriasis Tx
Tx of psoriasis
emolients + betamethasone + calcitriol
What types of HSV cause what?
• HSV-1 - oral lesions
HSV-2 - genital herpes
Complication of HSV?
Herpes Simplex Encephalitis
Tx of HSV
• Cold sores - topical aciclovir
Genital sores and gingivistomatitis- Oral aciclovir
S&S of herpes simplex encephalitis, investigations, and Tx
• Affects Temporal lobe • S&S: ○ Fever, headache, vomiting ○ CNS signs eg aphasia • HSV-1 most likely responsible • Investigations: ○ CSF + PCR for HSV ○ MRI scan Tx - IV aciclovir
S&S of shingles
• Acute, unilateral painful blistering rash
Dermatomal distribution
Tx of shingles
• Aciclovir
• Prevention - Shingles vaccine:
Live attenuated vaccine therefore immunosuppressed are contra.
Tx for sinusitis?
Abx not effective.
Steroid nasal sprays
Causes of CKD
Causes: • Diabetes • Chronic glumerulonephritis • HTN Adult Polycystic kidney disease
Systemic results of CKD?
Systemic results: • Bone problems due to Vit D: ○ Osteomalacia ○ Osteitis fibrosa cystica ○ Osteoporosis • Anaemia due to: a. Erythropoietin b. Reduced red cell survival c. Reduced iron absorption Hyperkalaemia
Contraindications due to CKD?
LMN:
• L - Lithium
• M - Metformin
N - NSAIDs and Nitrofurantoin
Tx of CKD
• Treat any underlying causes
• ACEi
• Anemia - Erythropoietin
• Hypocalcaemia - Calcium, Vit D analogues
• Hyperkalemia - Furosemide
Consider Haemodialysis or renal transplant
RFs of adhesive capsulitis?
DM
S&S of adhesive capsulitits
• External rotation most affected
• Both passive and active movements affected
• 3 phases - Painful freezing phase –> adhesive phase –> recovery phase
Can be bilateral
Tx of adhesive capsulitis
Tx:
• NSAIDs
• Physio
Intra articular steroids
Which vaccines are live attenuated? Why need to know?
• BCG
• MMR
• Flu
Polio
Risk to immunocompromised
Diagnosis of DM?
• Fasting glucose >7mmol/l
Random glucose >11.1 mmol/l
Tx of DM?
1st line - dietary advice 2nd line - metformin 3rd line - Metformin + 1 of GaSPS 4th line - + another of GaSPS 5th line - Metformin + sulfonylureas + GLP-1 mimetic OR insulin
Diabetic GaSPS G - Gliptin S - sulfonylureas P - Pioglitazone S - SGLT2 inhibitor
Headache red flags
• Immunocompromised • Age <20 and malignancy history • Vomiting with no other cause • Worsening headache with fever • Sudden onset headache with peak intensity within 5 mins • Impaired consciousness Neuro or cognitive deficit
Ix for tired all the time
• TFTs - thyroid
• FBC - anaemia and WCC
• HbA1c for diabetes
Full history and assess meds
Physical triggers for tired all the time
• Diabetes • Anaemia • Asthma • Arthritis • Thyroid • Alcohol/drugs Infections
Physical problems for sleep trouble
• Overweight
• HF
• Sleep apnoea
Narcolepsy
Tx for sleep trouble
• Supportive therapy
• Sleep hygiene education
Last resort - Zopiclone for ST use only
Give ABCD2 scoring system. used for?
TIA
A - Age > 60 = 1 B - Blood pressure >140/90 = 1 C - Clinical features speech disturbed no weak = 1 Unilateral weakness = 2 D - Duration <60 = 1 >60 mins = 2 D - Diabetes = 1
Tx according to ABCD2 score?
4+ = aspirin 300mg + specialist referral 24 hrs
3 or less = Specialist referral 1 wk + brain imaging