24 results
Hyperkalemia - Differential Diagnosis - Impaired Excretion vs Redistribution

Impaired Urinary Excretion 
 - Renal failure
 -
Hyperkalemia - Differential ... lysissyndrome - Massive Hemolysis ... Other - Insulin deficiency ... - Exercise - Hyperkalemic ... DrEricStrong #Hyperkalemia
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Iron Deficiency ... extravascular) hemolysis ... Zinc excess or deficiency ... , Copper deficiency ... #Deficiency #Anemia
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... edema • Jaundice/Hemolytic ... cell lysis: - Hemolysis ... paralysis - Insulin deficiency ... Mineralocorticoid deficiency
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... hepcidin) • Others: Hemolysis ... , Iron metabolism ... @drkeithsiau #Iron ... #Deficiency #Causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... edema • Jaundice/Hemolytic ... cell lysis: - Hemolysis ... paralysis - Insulin deficiency ... Mineralocorticoid deficiency
Gastrointestinal Causes of Iron Deficiency Anemia
 • Mass lesions: Carcinoma, Large polyps
 • Inflammatory: Reflux esophagitis,
Gastrointestinal Causes of Iron ... Deficiency Anemia ... Miscellaneous: Hookworm, Hemoptysis ... Gastrointestinal #Iron ... #Deficiency #Anemia
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 • Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... Hemodialysis • Iron ... Intravascular hemolysis ... Lactation, Low iron ... #Deficiency #Differential
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Bleed • Hemolysis ... Microangiopathic Hemolytic ... • Early Iron ... Deficiency #
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (<80 fL) • Iron ... Deficiency • ... • Bleeding • Hemolysis ... 100 fL) • B12 Deficiency ... • Folate Deficiency
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
bloodstream Hemolysis ... cell disease, deficiency ... anemia, PNH, immune hemolysis ... - Iron deficiency ... myelofibrosis • Hemolysis