10 results
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• NSAIDs • ACE ... • Recent IV potassium ... Transfusion reaction - Tumor ... lysis syndrome ... #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• NSAIDs • ACE ... • Recent IV potassium ... Transfusion reaction - Tumor ... lysis syndrome ... #high #nephrology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
: - Neuro: AMS ... organ damage • Treatment ... values: Elevated K, ... hydration - Hyperkalemia ... unless worrisome EKG
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Treatment Algorithm ... ECG changes, weakness ... injury, etc) ECG ... Remove potassium ... #Treatment #Algorithm
Tumor Lysis Syndrome
An acute, life-threatening condition that appears within 7 days of starting cytotoxic therapies in
Tumor Lysis Syndrome ... malignancies Treatments ... with Ca only if EKG ... Walid Malki, MD, MS ... #Lysis #Syndrome
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
, ACEi/ARBs, NSAIDs ... Acidosis, Cell Lysis ... heparinized tube) • ECG ... acidosis), CK+LDH (lysis ... #potassium #nephrology
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Causes of Hyperkalemia ... (e.g. ... Tumor Lysis Syndrome ... Decreased Na+-K+ ... IntercellularShift #Nephrology
KDIGO Treatment algorithm for management of acute hyperkalemia in the emergency department
 • Place on cardiac
KDIGO Treatment ... monitor 12-lead ECG ... depletion • Consider K+ ... #treatment #potassium ... #high #nephrology
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... Algorithm • IV ... depletion • Consider K+ ... and ECG changes ... #treatment
Pseudohyperkalemia vs Reverse Hyperkalemia

Pseudohyperkalemia and reverse pseudohyperkalemia are both conditions where potassium levels appear falsely elevated.

Pseudohyperkalemia:
This
especially extreme, e.g ... • ECG findings ... no changes in ECG ... despite high K+ ... #Potassium #Nephrology