107 results
COVID-19 PCR and Serology Testing - Timeline
 • Nucleic Acid Test - Most reliable and can
COVID-19 PCR and Serology ... Testing - Timeline ... • Nucleic Acid Test ... #COVID19 #PCR #Serology ... antibody #antibodies #testing
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... a stand-alone test ... #PhysicalExam #Neurology ... VestibularSyndrome #Posterior ... #HeadImpulse #Testing
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
impractical to test ... diarrhea before testing ... reduce unnecessary testing ... pick specific tests ... the much smaller differential
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Head Impulse Test ... Nystagmus Test ... #PhysicalExam #Testing ... Central #Peripheral #Neurology
Pronator Drift Testing for Stroke
Subtle extensor weakness - Sign of Upper motor neuron lesion
In detecting CT/MRI
Pronator Drift Testing ... 9.2, LR- 0.09 Best ... test characteristics ... Pronator #Drift #Testing ... physicalexam #diagnosis #neurology
Effects of Strokes by Location - Anterior vs Posterior Localization

Anterior Circulation 
 - MCA 
 -
- Anterior vs Posterior ... Lenticulostriate artery Posterior ... Localization #Effects #Neurology ... GrepMed Recommended Text ... Review in Clinical Neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... Positive Hallpike test ... (posterior canal ... or supine roll test ... Vertigo #Algorithm #differential
Posterior Cruciate Ligament (PCL) Injury: Pathogenesis and Clinical Findings
Classification of PCL Iniuries
 • Partial: Translation <
Posterior Cruciate ... isolated PCL: Posterior ... + Posterior ... , - McMurray = ... or + McMurray test
Dermatomes and Peripheral Nerves - Segmental Innervation of the Skin and the Peripheral Nerve Supply (Anterior
(Anterior and Posterior ... Skin #Diagnosis #Neurology ... GrepMed Recommended Text
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Additional laboratory tests ... chronic kidney tests ... Test for celiac ... disease with serology ... Non-invasive testing