29 results
EKG showing prominent U waves due to hypokalemia. Serum potassium 2.0. 

#EKG #emergencymedicine #criticalcare #cardiology #internalmedicine
U waves due to hypokalemia ... Serum potassium ... emergencymedicine #criticalcare ... #cardiology #internalmedicine
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
Checklist Approach ... to Hypokalemia ... route = severe hypokalemia ... Critical Care #Checklist ... #CriticalCare
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... minutes) Decrease potassium ... • IV Fluids Shift ... potassium intracellularly ... LouLectures #Hyperkalemia
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... the basis of the potassium-to-creatinine ... creatinine) • Cell shift ... : Hypokalemic periodic ... #urine #potassium
Hyperkalemia Management Algorithm
 • Treat the cause & optimize hemodynamics and ventilation
 • Reconsider treatment leadingto
• Reconsider treatment ... and parenteral potassium ... Intracellular K+ Shift ... Management #Algorithm #treatment ... #potassium #high
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... Dialysis Serum potassium ... blocks, QRS axis shift ... #potassium #high ... management #algorithm #treatment
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • Recent IV potassium ... Intracellular Shift ... diagnosis #causes #potassium ... #high #nephrology
Medications for the Treatment of Hyperkalemia
The goals of acute treatment are to prevent potentially life-threatening cardiac
Medications for the Treatment ... goals of acute treatment ... disturbances, shift ... warranted because treatment ... #Treatment
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • Recent IV potassium ... Intracellular Shift ... diagnosis #causes #potassium ... #high #nephrology
Thyrotoxic Periodic Paralysis - Illness Script
 • Epidemiology: Asian men age 20-30 with hyperthyroidism of any
Labs/lmaging: Hypokalemia ... - low TSH with high ... fT4 or high T3 ... • Treatment: Potassium ... hyperthyroidism, Potassium