19 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
HIT) result is positive ... (abnormal) in nearly ... and negative (normal ... #Diagnosis #PhysicalExam ... #Neurology #AVS
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 ... #Adies #Pupil #PhysicalExam ... #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
A normal plantar reflex response involves toe flexion, or even no movement. A positive test, also
A positive test, ... also known as a ... A positive response ... Reflex #Plantar #PhysicalExam ... #Diagnosis #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 ... Central #Causes #differential ... #diagnosis #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

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

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
complications such as ... consumption • Low/Normal ... #Hypokalemia #diagnosis ... #Algorithm #differential ... #potassium #nephrology
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
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... CN III palsy 2. ... effect of some abnormal ... Syndrome #Ptosis #neurology ... #Differential #