29 results
Pronator Drift Testing for Stroke
Subtle extensor weakness - Sign of Upper motor neuron lesion
In detecting CT/MRI
Pronator Drift Testing ... normal exam: • Sensitivity ... test characteristics ... physicalexam #diagnosis #neurology ... #cva
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... with a central cause ... #PhysicalExam #Neurology ... VestibularSyndrome #Posterior #CVA ... #HeadImpulse #Testing
Pronator Drift (Pyramidal Drift) on Physical Exam

Testing showed pronator drift on the left side in this
Physical Exam Testing ... side in this 70-year-old ... the 50-second test ... clinical #video #neurology ... #cva #stroke
Helicobacter Pylori Testing  Methods - Sensitivity and Specificity

Serology - 85% - 79% - Does not
Helicobacter Pylori Testing ... Methods - Sensitivity ... Urea breath test ... first line test ... #Laboratory #Diagnosis
1,3 Beta-D-Glucan and Galactomannan - Pathogens, and Testing Characteristics
1,3 ß-D-glucan:
 • Most fungi excluding mucor and
Pathogens, and Testing ... Glucan-containing gauzes ... nutrition), Foods (tea ... Characteristics #Sensitivity ... #Specificity #Laboratory
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... include a: • Neurologic ... tympanic membrane • Neurologic ... trauma ○ MS, CVA ... Hearing #Loss #Differential
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... smear, HIV/HCV testing ... K), H. pylori test ... thyroid function test ... (CVID, WAS), (neurologic
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
but lower sensitivity ... more time for the laboratory ... • Hepatitis B serology ... testing • Serum ... Rheumatoid #Arthritis #laboratory
Causes of Tremors - Movement Disorders - Differential Diagnosis Algorithm
Action Tremor - Occurs During Voluntary Muscle
Causes of Tremors ... multiple sclerosis) Resting ... Tremor - Occurs at Rest ... MovementDisorders #Neurology ... #Differential #
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... Demyelinating disease caused ... of serum CrAg testing ... comparable to CSF testing ... CNS #Infections #differential