8 results
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 ... levels stay within normal ... Pathophysiology #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... the pacemaker shifts ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... variants #clinical #comparison
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
depression • T wave ... Have a high index ... abnormalities particularly potassium ... consultation with cardiology ... Anesthesiology #Anesthesia
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 ... #pharmacology #
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Disorders: • Hyperkalemia ... ST Elevation of Normal ... • Short QT, high ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... the pacemaker shifts ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... variants #clinical #comparison
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 ... (≥ 0.12s) with abnormal ... #differential #cardiology