12 results
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
risk factors for arrhythmia ... : - EKG changes ... prolongation) - Digoxin ... - Myocardial ischemia ... reduce the risk of arrhythrnia
The chemical formula of Digoxin is C41 H64 O14.
Digoxin (Cardiac glycoside) reversibly inhibits the sodium-potassium-ATPase, causing
arrhythmias and ... , hypokalemia, hypomagnesemia ... hypercalcemia, myocardial ischemia ... Hypokalemia is a ... arrhythmias.
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... Dialysis Serum potassium ... and ECG changes ... blocks, QRS axis shift ... #potassium #high
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Digoxin Pharmacology ... - Hyperkalemia ( ... high potassium levels ... #Pharmacology # ... Pathophysiology #cardiology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... : • Digoxin ... Intracellular Shift ... burns, trauma - Ischemic ... #high #nephrology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
finding) • Atrial Arrhythmia ... • Dominant R Wave ... in V1 • Shift ... leads) RV Ischemia ... AcutePE #diagnosis #cardiology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... : • Digoxin ... Intracellular Shift ... burns, trauma - Ischemic ... #high #nephrology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
• Myocardial ischemia ... Hypomagnesemia • Hypokalemia ... Substances • Digoxin ... 300 = NSVT EKG ... #differential #cardiology
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
depression • T wave ... inversion • Arrhythmias ... Have a high index ... abnormalities particularly potassium ... consultation with cardiology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
, bradycardia, arrhythmias ... Calcineurin inhibitors, Digoxin ... /crush injury, ischemia ... dose PRN (ongoing arrhythmia ... Management #Treatment #potassium