22 results
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central Causes ... of Vertigo Peripheral ... Causes (Common) ... #differential # ... diagnosis #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
with a peripheral cause ... with a central cause ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior #CVA
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... #Hypokalemia #Differential ... #Diagnosis #Algorithm ... #nephrology #causes
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... (Wallenberg's syndrome ... Syndrome usually ... #Causes #differential ... #diagnosis #neurology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... - Differential ... Diagnosis Algorithm ... vasoconstriction syndrome ... #Causes #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... Diagnosis: • CN ... dissociation • Other causes ... #neurology #ophthalmology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Diagnosis Baseline ... investigations abnormal ... cryoglobulins, hepatitis serology ... , HIV serology, ... #Diagnosis #nephrology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
(AG) = {Na - (Cl ... Diagnosis: Causes ... D-lactate (short bowel syndrome ... sedation, narcotics, CVA ... #Summary #Nephrology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... toxo IgG • CNS PCR ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... • Cauda Equina Syndrome ... Commonly caused ... #neurology #sensory ... #motor #leg #physicalexam