13 results
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
fragmentation hemolysis ... toxin-mediated hemolytic-uremic ... atypical HUS) - Drug-induced ... • Severe B12 deficiency ... • Mechanical hemolysis
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Intravascular Hemolysis ... and RES-mediated hemolysis ... delayed HTR • Drug-induced ... Intravascular - Hemolysis ... • PNH • Drug-induced
Drugs Implicated in Hemolytic Anemia
 • Hapten (Drug binding to RBC membrane): Penicillin, Cephalosporin, Tetracycline, Tolbutamide,
Drugs Implicated ... in Hemolytic Anemia ... • Hapten (Drug ... #medications #Hemolytic ... #table
Hemolytic Anemia - Differential Diagnosis Algorithm
Hereditary:
 • Peripheral blood smear + DAT + further History
 •
Hemolytic Anemia ... Immune mediated hemolysis ... autoimmune disease, drugs ... Microangiopathic hemolytic ... UnremarkableLab #Hemolytic
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Framework for Hemolysis ... Intravascular Hemolysis ... Microangiopathic hemolytic ... infection) - Drugs ... G6PD deficiency)
Drug-induced Hemolysis in G6PD Deficiency
Medicines and other substances likely to be UNSAFE in moderate to severe
Drug-induced Hemolysis ... #DrugInduced #Hemolysis ... #Pharmacology # ... Differential #Diagnosis ... #Table #Medications
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... edema • Jaundice/Hemolytic ... reactions Common Drugs ... cell lysis: - Hemolysis ... Medications 2.
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
venipuncture • Hemolysis ... edema • Jaundice/Hemolytic ... reactions Common Drugs ... cell lysis: - Hemolysis ... Medications 2.
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Mechanisms of Drug-Induced ... #hyperkalemia #differential ... pathophysiology #pharmacology ... #potassium #medications ... #druginduced
Causes of Hyperkalemia
Pseudohyperkalemia
 - Tourniquet use
 - Hemolysis (in vitro)
 - Leukocytosis
 - Thrombocytosis
Intra- to extracellular
Tourniquet use - Hemolysis ... drugs - Transfusion ... aged blood - Hemolysis ... Renal failure* - Drugspotassium-sparing ... anti-inflammatory drugs