15 results
Perianal Crohn's Disease - IBD Algorithm

 • 5-40% w perianal fistula
 • ↑ risk if colonic
Perianal Crohn's ... risk if colonic CD ... #Perianal #Crohns ... #Disease #IBDAlgorithm
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
Abnormal Head Impulse Test ... = Peripheral Cause ... Normal Head Impulse Test ... for a PERIPHERAL cause ... Peter Johns @ https
HINTS Exam - Abnormal Test of Skew (Abnormal Vertical Skew)

In a patient with vertigo symptoms, this
Exam - Abnormal Test ... for a CENTRAL cause ... Peter Johns @ https ... Vertical #Skew #Test
Causes of Fat Malabsorption - Differential Diagnosis
Biliary Duct Obstruction
 • Autoimmune— PBC, PSC
 • Infection— liver
Causes of Fat Malabsorption ... • Autoimmune— Crohn's ... disease • IBD- CD ... Differential #Diagnosis #Causes
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
Normal Head Impulse Test ... = Central Cause ... normal head impulse test ... for a CENTRAL cause ... Peter Johns @ https
HINTS Exam - Normal Test of Skew (Normal Vertical Skew)

In a patient with vertigo symptoms, this
Exam - Normal Test ... for a PERIPHERAL cause ... Peter Johns @ https ... Vertical #Skew #Test
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
Abnormal Head Impulse Test ... = Peripheral Cause ... Normal Head Impulse Test ... for a PERIPHERAL cause ... Peter Johns @ https
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Proves cause-effect ... certain disease Cross-Sectional ... disease who test ... then all negative tests ... but not on the causal
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
Medications that Can Cause ... Positives on Drug Tests ... are subject to cross-reactivity ... medications can cause ... positives on drug tests
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
: • 1400 new cases ... than 2/3 of the cross-sectional ... negative, MOG-IgG test ... • Infectious causes ... Herpes zoster, West