11 results
Posterior Cruciate Ligament (PCL) Injury: Pathogenesis and Clinical Findings
Classification of PCL Iniuries
 • Partial: Translation <
Some sort of end ... test is positive ... with the knee in ... #Injury #MSK #Sports ... classification #diagnosis
Posterolateral Corner (PLC) Injury - Posterolateral Drawer Test
Injury to the posterolateral corner (PLC) is difficult to
is difficult to diagnose ... ) and posterior ... ligament injury (PCL ... #Positive #Clinical ... #PhysicalExam #Sports
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
positive (abnormal ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior ... #HeadImpulse #Testing
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... findings BPPV • Short-lived ... test (posterior ... Vertigo #Algorithm #differential ... #diagnosis #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
/ AIDS - Differential ... and <25% culture positive ... of serum CrAg testing ... comparable to CSF testing ... CNS #Infections #differential
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
PCR and CMV pp65 ... antigenemia test ... inclusions or positive ... 50 or less: • Neurologic ... #differential #
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
dehydrogenase • Positive ... Coombs testing ... Mycoplasma, EBV, HIV ... younger pts) Differential ... test #cold #
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Diagnosis: • ... perineum, and posterior ... • Provocative Tests ... #diagnosis #causes ... #neurology
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... Spot PC (protein ... C3, C4 - Test for ... #glomerular #testing ... #workup #diagnosis
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... Neurologic deficit ... nerve injury (25%) TEST ... Check hip and ankle ... ligament/meniscus testing