9 results
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
and Pathophysiology ... - Hyperkalemia ( ... high potassium levels ... , in states of hypokalemia ... (or low potassium
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
• Increased EC ... shift of K (Succinylcholine ... differential #diagnosis #pathophysiology ... #pharmacology #potassium ... #medications #druginduced
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... : • Digoxin ... Intracellular Shift ... Medications 2. ... #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... : • Digoxin ... Intracellular Shift ... Medications 2. ... #high #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Etiology: • Medications ... Calcineurin inhibitors, Digoxin ... heparinized tube) • ECG ... acidosis) • Low ... Management #Treatment #potassium
Hyperkalemia Management
Pseudohyperkalemia: 1. Hemolyzed sample 2. Blood drawn from a site/line where potassium or TPN is
Hyperkalemia Management ... site/line where potassium ... minutes-hour) -Shift ... or dialysis • SLOW ... #high
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
immature blasts and high ... , Elevated Cr, Low ... hydration - Hyperkalemia ... unless worrisome EKG ... diagnosis #management #hematology
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
extracellular shift ... Digoxin and related ... Drug-associated: heparin, low-molecular-weight ... Differential #Diagnosis #High ... #Potassium #Classification
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
High mortality. ... Hypocalcemia, Hyperkalemia ... products contain potassium ... Hypothermia: Due to low ... diagnosis #management #hematology