22 results
Differential diagnosis for toxic/metabolic encephalopathies - Patterns on Brain Imaging

Cynthia Czawlytko, MD @drcyncity

#Differential #diagnosis #encephalopathies #encephalopathy
Differential diagnosis ... for toxic/metabolic ... MD @drcyncity #Differential ... patterns #MRI #Neurology ... pathology #diseases #radiology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... aldosteronism #Metabolic ... #Alkalosis #Differential ... Diagnosis #Algorithm #Nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Alkalosis - Differential ... artery stenosis, Renin-secreting ... #Alkalosis #Differential ... Diagnosis #Algorithm #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Low intake • Metabolic ... Renal Losses: • Metabolic ... Renovascular HTN, Renin ... potassium #low #nephrology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Alkalosis - Differential ... Tumor Low Renin ... MetabolicAlkalosis #NonGap #Nephrology ... #Differential #
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Metabolic alkalosis ... Renin secreting ... #Hypokalemia #Differential ... Causes #Workup #Nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
tumor - ↓ Renin ... Pressure: - Metabolic ... Hippurate - Metabolic ... diagnosis #Algorithm #differential ... #potassium #nephrology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Unknown nature & benign ... Young females Differential ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Hypochloremia - Differential ... Excessive vomiting - Metabolic ... inversely related to renin ... Hypochloremia #Differential ... Pathophysiology #Nephrology
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Patterns of Toxic and Metabolic ... Patterns #Toxicology #Metabolic ... Disorders #Clinical #Differential ... #Diagnosis #Radiology ... #Neurology