21 results
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Benyzlpenicillin, blood ... #differential #diagnosis ... #pathophysiology ... #pharmacology #potassium ... #medications #druginduced
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Diagnosis Algorithm ... Alwavs Repeat Blood ... while drawing blood ... Algorithm #causes #potassium ... #high #pathophysiology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... phlebotomy High ... Crush injury • Blood ... Intracellular Shift ... Medications 2.
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... phlebotomy High ... Crush injury • Blood ... Intracellular Shift ... Medications 2.
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... and ECG changes ... blocks, QRS axis shift ... #potassium #high ... #diagnosis #management
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
Framework • Cellular Shift ... hyperosmolality - Medications ... : Blood draw error ... #Causes #potassium ... #high
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... creatinine) • Cell shift ... effective arterial blood ... #urine #potassium ... differential #algorithm #diagnosis
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
of peripheral blood ... Left Shift: • ... with moderate and high ... #CBC #hematology ... #pathophysiology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... family history - Medications ... decreased PLT count: CBC ... plateletcount), peripheral blood ... psychiatric changes), high
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
immature blasts and high ... hydration - Hyperkalemia ... unless worrisome EKG ... Syndrome #TLS #diagnosis ... #management #hematology