455 results
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
100%, then all negative ... who test negative ... proportion of negative ... true negatives. ... but not on the causal
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
for Celiac Disease ... specificity - Falsely negative ... patients with celiac disease ... ) - May be negative ... HLA-DQ8 - High negative
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
= Peripheral Cause ... This video demonstrates ... for a PERIPHERAL cause ... Video by Dr. ... #Neurology #Vertigo
Normal (Negative) Lachman Test for ACL Injury

Andrew Dold, MD @dr.dold.md

#Lachmans #test #ACL #Knee #Injury #Normal #Negative
Normal (Negative ... ) Lachman Test for ... #Lachmans #test ... Injury #Normal #Negative ... #clinical #video
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
alternating light test ... swinging-flashlight test ... regarding the cause ... Pupillary #Defect #Neurology ... #Clinical #Video
HINTS Exam - Abnormal Test of Skew (Abnormal Vertical Skew)

In a patient with vertigo symptoms, this
Exam - Abnormal Test ... for a CENTRAL cause ... Video by Dr. ... Vertical #Skew #Test ... #Neurology #Vertigo
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... with a peripheral cause ... of AVS and negative ... with a central cause ... #PhysicalExam #Neurology
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
= Peripheral Cause ... This video demonstrates ... for a PERIPHERAL cause ... Video by Dr. ... #Neurology #Vertigo
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
vs Noninfective Causes ... • Autoimmune disease ... HACEK • Culture-negative ... epidermidis • Gram-negative ... #Noninfective #Causes
HINTS Exam - Unidirectional Nystagmus - Left-beating

In a patient with vertigo symptoms, this finding is reassuring
for a PERIPHERAL cause ... Video by Dr. ... PhysicalExam #Clinical #Video ... #Negative #Neurology