669 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... of AVS and negative ... with a central cause ... #Diagnosis #PhysicalExam ... #Neurology #AVS
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
individual studies Clinical ... , describe clinical ... who test negative ... true negatives. ... #calculations #diagnosis
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Commonly Used Diagnostic ... specificity - Falsely negative ... ) - May be negative ... HLA-DQ8 - High negative ... #Diagnosis #Workup
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 ... #clinical #video ... #PhysicalExam #
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
very sensitive diagnostic ... regarding the cause ... Pupillary #Defect #Neurology ... #Clinical #Video ... Pupils #MacrusGunn #PhysicalExam
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
patients with anemia, diagnose ... Test for celiac ... disease with serology ... endoscopy only if: • Negative ... Evaluation #workup #diagnosis
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
vs Noninfective Causes ... • Autoimmune disease ... HACEK • Culture-negative ... #Noninfective #Causes ... #Differential #Diagnosis
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... with vascular causes ... positional episodes caused ... Méniére's disease ... #differential #diagnosis
HINTS Exam - Abnormal Test of Skew (Abnormal Vertical Skew)

In a patient with vertigo symptoms, this
Exam - Abnormal Test ... for a CENTRAL cause ... #HINTS #PhysicalExam ... #Clinical #Video ... #Neurology #Vertigo
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
= Peripheral Cause ... for a PERIPHERAL cause ... #HINTS #PhysicalExam ... #Clinical #Video ... #Neurology #Vertigo