86 results
Causes of Urticaria

Immunoglobulin E (IgE) mediated

 - Aeroallergens

 - Contact allergen

 - Food allergens

 - Insect
Causes of Urticaria ... Immunoglobulin E (IgE ... infections Non-IgE ... #Mediated #NonIgE ... #Causes
Myasthenia Gravis
Signs, Symptoms and Testing - Likelihood Ratios
Does this patient have myasthenia gravis?
JAMA. 2005 Apr 20;293(15):1906-14.
Myasthenia Gravis Signs ... speaking - Sleep Test ... - Ice Test - ... Rest Test - Anticholinesterase ... Test - Quiver
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
practices that could cause ... K), H. pylori test ... thyroid function test ... , Quantitative IgA ... , IgG, IgM (CVID
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Tuberculosis: can cause ... Reduced libido • Signs ... clue • Blood tests ... ACTH stimulation test ... present - ACTH test
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Causes: Calcific ... supraspinatus tendinitis Signs ... arm, empty can test
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for ... Palsy This tests ... grip weakness caused ... Froment's Sign is ... Jeanne’s sign is
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Glomerular Bleeding - IgA ... Mesangioproliferative GN without IgA ... hematuria • Signs ... Urethra/Prostate Causes ... urinary tract) Causes
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
- Mediators: lgE ... causes mast-cell ... - Mediators: IgG ... / IgM - Antigen ... dermatitis, Tuberculin test
Acromegaly 
Caused by over-secretion of growth hormone (GH) from the pituitary gland. 
The condition is rare
Acromegaly Caused ... and 50 years of age ... #Acromegaly #Signs
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... fever, fatigue, Nausea ... vertigo Diagnostic tests ... - Ice cube test ... , TempTest test