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

#EKG #emergencymedicine #criticalcare #cardiology #internalmedicine
hypokalemia. ... Serum potassium ... #criticalcare # ... cardiology #internalmedicine ... #UWaves
Hypokalaemia:

The gradual fall in serum potassium level is reflected electrocardiographically by the following features:

1. Gradual decrease
Hypokalaemia: ... fall in serum potassium ... V4 #Clinical #Cardiology ... #ECG #EKG #UWaves ... #Hypokalemia
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
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
Osborn waves - positive ... in people with high ... This EKG was recorded ... #Cardiology #diagnosis ... #CriticalCare #
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Digoxin Pharmacology ... - Hyperkalemia ( ... high potassium levels ... , in states of hypokalemia ... Pathophysiology #cardiology
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Emergent Hyperkalemia ... (peaked T waves, ... cardiac membrane Shift ... treatment Remove potassium ... not quickly) #Hyperkalemia
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
replaced by T wave ... Disorders: • Hyperkalemia ... • Short QT, high ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Hyperkalemia Management
Pseudohyperkalemia: 1. Hemolyzed sample 2. Blood drawn from a site/line where potassium or TPN is
Hyperkalemia Management ... site/line where potassium ... • Order a STAT EKG ... minutes-hour) -Shift ... #high
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Hypomagnesemia • Hypokalemia ... percent PVCs/day • High ... 300 = NSVT EKG ... tachyarrhythmias High-risk ... #differential #cardiology
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
130 mEq/L • Potassium ... Is Dangerous in Hyperkalemia ... transcellular shift ... densa receives high ... NS #comparison #pharmacology