11 results
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
Positive Lachman ... test in ACL Injury ... That causes the ... Sports #Ortho #anterior ... #cruciate #ligament
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
) in HIV-AIDS Patients ... pp65 antigenemia test ... or positive specific ... #HIV #AIDS #diagnosis ... #differential #
Lachman Test for ACL Injury

The patient lies supine and with the knee in ~20-30 degrees of
Lachman Test for ... supine and with the knee ... degrees of flexion, hip ... The test is positive ... #Cruciate #Ligament
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
Medications that Can Cause ... on Drug Tests ... food products • HIV ... Aleve) • Sleep aids ... #drug #tests #differential
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... K), H. pylori test ... thyroid function test ... (CVID, WAS), (neurologic ... changes), high MCV
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
HSV, EBV, HH6, CMV ... Miller-Fisher GBS; Positive ... Rhombencephalitis #Differential ... #Diagnosis #Causes ... #Neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
/ AIDS - Differential ... Demyelinating disease caused ... - Generally >3 cm ... and <25% culture positive ... #diagnosis #AIDS
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Varicella-zoster virus • CMV ... Arboviruses: - West ... • Gram stain: Positive ... 90% • Culture: Positive ... #diagnosis #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... cord infarct • HIV ... • Provocative Tests ... #diagnosis #causes ... #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
negative, MOG-IgG test ... • Infectious causes ... , Hep A/B/CMV, TB ... diagnosis #management #neurology ... #differential