48 results
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Graves disease – ... Check pregnancy test ... workup choices ... #Algorithm #Workup ... #Endocrinology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... K), H. pylori test ... thyroid function test ... #Causes #Workup
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... tests - Ice cube ... test, TempTest ... test Cryoglobulins ... #rheumatology #
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
- Differential Diagnosis ... Renal ultrasound, Tests ... of renal disease ... #Differential #Diagnosis ... #Workup #table
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... (to support a diagnosis ... Arthritis #laboratory #workup ... #diagnosis #testing ... #Rheumatology
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... aldosterone - Low in cases ... Evaluation #laboratory #diagnosis ... #testing #endocrinology ... #workup
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
aldosterone Causes ... Serum DHEAS Diagnosis ... clue • Blood tests ... #endocrinology ... #diagnosis #signs
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic ... Algorithm and Causes ... #Workup #Hematology ... #Diagnosis * ... GrepMed Recommended Text
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Proves cause-effect ... confounding and inability ... who test positive ... but not on the causal ... #calculations #diagnosis
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... Onset ○ Meniere disease ... ○ HIV ○ Lyme disease ... Cerebellopontine angle ... #Differential #Diagnosis