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Symptoms and Signs -Differential Diagnosis of Finger pain
Trauma: fracture, subungal haematocoma
Referred: cervical spondylosis
Other: scleroderma, tumours (bone tumour, glomus tumour)
lschaemia: vasospasm (Raynaud's phenomenon), vasculitis, peripheral vascular
Infection: paronychia, tendon sheath infection, pulp space infection
disease, emboli
Carpal tunnel syndrome
Arthritis: e.g. rheumatoid arthritis, gout
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Symptoms and Signs – Differential Diagnosis of Epistaxis
Anticoagulants, bleeding disorders
Hereditary haemorrhagic telangiectasia
Nasal tumours
Trauma/irritation: nose picking, forceful blowing, foreign body, chronic intranasal drugs use (e.g. cocaine)
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​Symptoms and Signs –Differential Diagnosis of Erythema multiforme
Malignancy (lymphoma, leukaemia, myeloma), radiation
Inflammatory/connective tissue diseases: rheumatoid arthritis, SLA, sarcoidosis, PAN, Wegener's granulomatosis
Infection: viral (HSV, EBV, orf), bacterial (Mycoplasma pneumoniae, chlamydiae), fungal (histoplasmosis, coccidiomycosis)
Idiopathic
Drugs: sulphonamides, penicillins, anticonvulsants
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Symptoms and Signs – Differential Diagnosis of Erythema nodosum
Pregnancy
Malignancy: lymphoma, leukaemia
Inflammation: inflammatory bowel disease, sarcoidosis, Bechet's disease
Infection: Bacterial (Streptococcus, Chlamydia, TB, Yersinia, Rickettsia, leprosy, leptospirosis), Viral (EBV), Fungal (histoplasmosis, coccidiomycosis, blastomycosis), Protozoa! (toxoplasmosis)
Drugs: sulphonamides, penicillin, oral contraception, salicylates, dapsone
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​Symptoms and Signs – Differential Diagnosis of Swollen Eyelids 
Orbital cellulitis
Herpes zoster ophthalmicus
Herpes simplex
Dacryocytitis
Chalazion, stye, spread of infection from a local lesion e.g. a squeezed comedo
Blepharitis (may be associated with rosacea, eczema, psoriasis)
Allergy (contact with cosmetics, chemicals, animals, plants)
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Symptoms and Signs – Differential Diagnosis of Increased and Decreased Ferritin
Increase Ferritin
Still's disease
Sideroblastic anaemia
Repeated transfusions in thalassaemia, iron therapy
Haemochromatosis
Anaemia of chronic disease, chronic haemolysis
Acute phase response: infection, inflammation, malignancy

Decrease Ferritin
Iron deficiency
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Kembara Xtra 

Facts about medicine and its subtopic such as anatomy, physiology, biochemistry, pharmacology, medicine, pediatrics, psychiatry, obstetrics and gynecology and surgery.