27 results
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
new/old infarct STEMI ... • DDx: Acute STEMI ... have no pain - LAD ... avR - proximal LAD ... Interpretation #differential
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Pathophysiology ... Hyponatremia #Algorithm #Pathophysiology ... #Diagnosis #Differential ... #Nephrology #UOsm
Thiazide induced Hyponatremia - Pathophysiology
 • Reduced distal delivery
 • Inhibition of the NCC (dilution capcity)-
Hyponatremia - Pathophysiology ... Reduced urea (solute load ... #Hyponatremia #Pathophysiology ... #diagnosis #differential
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Exogenous solute load ... #Polyuria #Differential ... Algorithm #causes #nephrology
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Hyperphosphatemia - Differential ... Acute Phosphate Load ... Hyperphosphatemia #Differential ... Workup #phosphate #nephrology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
of Hemiplegia - Differential ... sensory loss Brain Stem ... #Hemiplegia #Neurology ... #Differential #
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Sensory Changes - Differential ... Hyperreflexia • Lead ... Peripheral #Weakness #Neurology ... #Differential #
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
HyperKalemia - Differential ... iatrogenic K+ load ... blockers - MCW Nephrology ... #HyperKalemia #Differential
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Increased potassium load ... Diagnosis #algorithm #nephrology ... #potassium #differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
skin lesions, LAD ... Lesions #Brain #differential ... causes #radiology #neurology