10 results
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... Tests in the Evaluation ... TSH, high T4 +/- T3 ... Hyperthyroidism #algorithm ... endocrinology #TFTs #TSH #Interpretation
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Pulmonary Function ... Tests (PFTs) - ... Interpretation Algorithm ... • Normal • ... #Algorithm #diagnosis
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Liver Function ... Tests • Rule ... Liver Function ... Tests • Liver
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
unclear (often the case ... Standard Stim test ... this indicates normal ... adrenal function ... #Stimulation #Test
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Clarity Dipstick test ... specific gravity test ... • Urinary casts ... renal function. ... leucocyte-esterase #urine #UNa #casts
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
disease who test ... then all negative tests ... proportion of cases ... Incidence: No of new cases ... Prevalence: total No of cases
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... platelet function ... deficiency - Abnormal ... Fecal occult blood test
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
moderate-to-severe cases ... - BAR >1.0 is abnormal ... adults • Blood tests ... tests: obstructive ... Sweat chloride test
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Differential Diagnosis Algorithm ... Vascular Causes ... extrahepatic source - Tests ... of synthetic function ... may be abnormal
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... nearly complete paralysis ... protein with a normal ... - Of note, normal ... and sensitive tests