21 results
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Cetuximab and other EGFR ... in Na-KATPase, EGFR ... Magnesium #Low #Causes
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Workup for Hyperphosphatemia ... Hypoparathyroidism, Acromegaly, FGFR ... Diagnosis #Framework #Workup
Metformin Pharmacology Summary
Mechanisms of Action:
 • Suppresses gluconeogenesis by the liver
 • Increases insulin-mediated glucose utilization
agent • Does not cause ... not initiate if eGFR ... not continue if eGFR ... e.g. diarrhea, nausea
Hepatorenal Syndrome (HRS) - Diagnostic Criteria
HRS-AKI (Acute: previously known as HRS Type 1)
 • ↑ Creatinine
months - eGFR ... - No other cause ... HRS-CKD - eGFR ... - No other cause
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... syndrome • Reduced GFR ... Diagnosis #Algorithm #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... syndrome • Reduced GFR ... Diagnosis #Algorithm #Causes
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
Causes of Chronic ... kidney function (eGFR ... Sterile pyuria, WBC casts ... Diagnosis #Algorithm #Causes
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
esp w oliguria / GFR ... reabsorption) Workup ... Labs: BMP (Assess GFR ... status to improve GFR ... sufficient if intact GFR
Approach to Neonatal Jaundice

Causes of pathologic hyperbilirubinemia can be classified as due to (1) increased bilirubin
Neonatal Jaundice Causes ... #Diagnosis #Peds ... #Differential #Workup
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Framework and Workup ... insufficiency (GFR ... Differential #Diagnosis #Workup