52 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
smear, HIV/HCV testing ... PT, aPTT(liver disease ... K), H. pylori test ... thyroid function test ... #Workup #hematology
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
and Screening Testing ... Renal parenchymal disease ... Renal ultrasound, Tests ... of renal disease ... • Renovascular disease
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... with a peripheral cause ... with a central cause ... #Diagnosis #PhysicalExam ... #HeadImpulse #Testing
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 ... ulnar nerve palsy, testing ... video #neurology #physicalexam
Wing-Beating Tremor of Wilson's Disease

Characterized by low frequency, high amplitude, near arm tremor caused by continuous
Wing-Beating Tremor ... of Wilson's Disease ... near arm tremor caused ... Tremor #Wilsons #Disease ... neurology #copper #physicalexam
Wing-Beating Tremor of Wilson's Disease

Characterized by low frequency, high amplitude, near arm tremor caused by continuous
Wing-Beating Tremor ... of Wilson's Disease ... near arm tremor caused ... Tremor #Wilsons #Disease ... neurology #copper #physicalexam
Causes of Tremors - Movement Disorders - Differential Diagnosis Algorithm
Action Tremor - Occurs During Voluntary Muscle
Causes of Tremors ... • Cerebellar Disease ... multiple sclerosis) Resting ... Tremor - Occurs at Rest ... Diagnosis #Algorithm #Causes
Romberg's Test for Proprioception
History: First described in the 19th century in patients with tabes dorsalis (later
Romberg's Test for ... Observe when patient closes ... • Cerebellar disease ... Unilateral vestibular disease ... proprioception #physicalexam
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Proves cause-effect ... who test positive ... who test negative ... probability of getting ... but not on the causal
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... Liver Function Tests ... Cholestatic liver disease ... #generalized #dermatology ... Diagnosis #Algorithm #causes