818 results
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Leukocytosis, ... TTKG should be high ... causes #potassium #high
Adult Onset Still's Disease
Systemic inflammation with urticarial rash.
Rash: 
 • Nonpruritic, evanescent (correlates with time of
Symptoms: • Daily high ... Lymphadenopathy • Leukocytosis ... Leukocytosis (10,000 ... • ↑ESR/CRP • Leukocytosis ... Plts • ↓Hgb • High
Adult-Onset Still's Disease (AOSD)
Rare inflammatory disorder of unknown etiology, difficult to diagnose because of heterogenous presentation.
Presentation: High ... , neutrophilic leukocytosis ... Systemic AOSD: high
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
thrombocytosis, leukocytosis ... phlebotomy High ... causes #potassium #high
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
thrombocytosis, leukocytosis ... phlebotomy High ... causes #potassium #high
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
• Attempt if high ... Diagnosis: • Labs: leukocytosis
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
Thrombocytosis, Leukocytosis ... Causes #potassium #high
Hyperkalemia Management
Pseudohyperkalemia: 1. Hemolyzed sample 2. Blood drawn from a site/line where potassium or TPN is
thrombocytosis or leukocytosis ... treatment #potassium #high
Evaluation of Leukocytosis:
The term 'leukocyte' applies to any cells within the myeloblast, monoblast, & lymphoid lineages.
Include
Evaluation of Leukocytosis ... In adults, leukocytosis ... LEUCOCYTOSIS WBC ... #LEUCOCYTOSIS #LEUKEMOIDREACTION
Approach to Leukocytosis - Differential Diagnosis Algorithm

Features of hematologic malignancy:
 • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
Approach to Leukocytosis ... MatthewHoMD #Leukocytosis