16 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
HIT) result is positive ... (abnormal) in nearly ... with a central cause ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
ringenhancing #lesions #cns ... #brain #diagnosis ... #differential # ... algorithm #causes ... #radiology #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Unknown nature & benign ... Young females Differential ... Diagnosis: • CN ... Ill Palsy - abnormal ... #neurology #ophthalmology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Immunocompromised vs ... Chorioretinitis • Diagnosis ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
- Labyrinth: Benign ... Vestibulocochlear Nerve (CN ... often classified as ... #differential # ... diagnosis #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Demyelinating disease caused ... and <25% culture positive ... #Infections #differential ... InfectiousDiseases #Neurology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
complications such as ... wasting from other causes ... #Hypokalemia #diagnosis ... #Algorithm #differential ... #potassium #nephrology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... • Gram stain: Positive ... /l is regarded as ... Singh @rav7ks #CNS ... #diagnosis #neurology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Compensation, Acute vs ... Diagnosis: Causes ... acidosis: - CNS ... Interpretation #Diagnosis ... #Summary #Nephrology
Kussmaul's Sign - Differential Diagnosis

Typically the JVP decreases with inspiration as the negative intrathoracic pressure "sucks
with inspiration as ... where we may see a positive ... Kussmauls #Sign #physicalexam ... #diagnosis #cardiology ... causes