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

Cynthia Czawlytko, MD @drcyncity

#Differential #diagnosis #encephalopathies #encephalopathy
Differential diagnosis ... for toxic/metabolic ... imaging #patterns #MRI ... #Neurology #pathology ... #diseases #radiology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
of Seizures - Differential ... ICH, Cerebral venous ... Neurocysticercosis, PML • Metabolic ... Prophyria #Seizures #Differential ... Algorithm #Causes #neurology
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Patterns of Toxic and Metabolic ... Pons: ODS #MRI ... Disorders #Clinical #Differential ... #Diagnosis #Radiology ... #Neurology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acute or chronic ... Differentials? ... tubular acidosis/Chronic ... failure - Adrenal insufficiency ... Diagnosis #Summary #Nephrology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Non-anion Gap Metabolic ... Chronic progressive ... hyperkalemia (with renal insufficiency ... #Acidosis #differential ... diagnosis #causes #nephrology
Evolution of MRI Findings in Stroke

MR images at five subsequent time points in a 67-year-old woman
it possible to differentiate ... acute from the chronic ... #Evolution #MRI ... CVA #Clinical #Radiology ... Interpretation #Findings #Neurology
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Acidosis (NAGMA) - Differential ... HCO3 - Renal insufficiency ... Surgical drains - Chronic ... NonAnionGap #Acidosis #Metabolic ... Diagnosis #Workup #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... infusions) - Metabolic ... deficiency • Renal insufficiency ... #hyperkalemia #differential ... potassium #high #nephrology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Radiation • Metabolic ... Envenomation (venom ... EMG) studies • MRI ... #Diagnosis #neurology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... infusions) - Metabolic ... deficiency • Renal insufficiency ... #hyperkalemia #differential ... potassium #high #nephrology