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

#EKG #emergencymedicine #criticalcare #cardiology #internalmedicine
hypokalemia. ... Serum potassium ... #criticalcare #cardiology ... EM #diagnosis #Electrocardiogram ... #ECG #UWaves
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
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases, the P wave ... : • The P wave ... the pacemaker shifts ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
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 ... AcutePE #diagnosis #cardiology ... #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases, the P wave ... : • The P wave ... the pacemaker shifts ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
Wandering atrial pacemaker - ECG Diagnosis
 • The change in P wave contour is gradual
 •
The change in P wave ... the pacemaker shifts ... Variant of sinus arrhythmia ... atrial #pacemaker #cardiology ... #ecg #electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
clusvon has a high ... • Predictor of arrhythmia ... #electrocardiogram ... #diagnosis #ekg ... #differential #cardiology
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
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Cardiomyopathy • Inherited arrhythmia ... Hypomagnesemia • Hypokalemia ... percent PVCs/day • High ... 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