7 results
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
The 4 Variants of ... the pacemaker shifts ... • Variant of ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
The 4 Variants of ... the pacemaker shifts ... • Variant of ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
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
Wandering atrial pacemaker - ECG Diagnosis
 • The change in P wave contour is gradual
 •
the pacemaker shifts ... • Variant of ... sinus arrhythmia ... atrial #pacemaker #cardiology ... #diagnosis #ekg
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Disorders: • Hyperkalemia ... Elevation of Normal Variant ... • 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