29 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... - Compatible syndrome ... + MRI lesions + ... #causes #radiology ... #neurology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Renin secreting tumor ... #Differential #Diagnosis ... #Algorithm #causes ... #nephrology
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
How do you work ... Evaluate underlying cause ... Ruled out other causes ... stroke #workup #diagnosis ... #checklist #neurology
Evolution of MRI Findings in Stroke

MR images at five subsequent time points in a 67-year-old woman
Evolution of MRI ... #Evolution #MRI ... Progression #Stroke #CVA ... #Clinical #Radiology ... Interpretation #Findings #Neurology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
- Differential Diagnosis ... Renin-secreting tumor ... #Differential #Diagnosis ... #Algorithm #Nephrology ... #Causes
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
in Wonderland Syndrome ... (Many causes!) ... encephalitis) • Brain lesions ... (e.g. stroke, tumor ... #diagnosis #neurology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential Diagnosis ... Renin-secreting tumor ... #Differential #Diagnosis ... #Algorithm #nephrology ... #causes #low #potassium
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Causes of spinal ... • Extrinsic Causes ... • Intrinsic Causes ... #diagnosis #neurology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... - Differential Diagnosis ... Renin-Secreting Tumor ... Licorice • Liddle's Syndrome ... MetabolicAlkalosis #NonGap #Nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... , Tumor genesis ... • Normal or Low ... , CA Inh., Osmotic ... Workup #phosphate #nephrology