15 results
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... and ECG changes ... Widening of QRS complex ... blocks, QRS axis shift ... #potassium #high
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
in acute PE are low ... evaluating for other causes ... Incomplete or Complete ... Wave in V1 • Shift ... in relation to ECG
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Digoxin Pharmacology ... intracellular calcium causes ... high potassium levels ... (or low potassium ... Pathophysiology #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Hypomagnesemia • Hypokalemia ... classified as: • Low ... percent PVCs/day • High ... tachyarrhythmias High-risk ... #differential #cardiology
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
Have a high index ... Stop or rapidly complete ... abnormalities particularly potassium ... consultation with cardiology ... Intraoperative #Checklist
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
How do you work ... Physical exam (complete ... Cardioembolic: • ECG ... • TTE +/- TEE (high ... workup #diagnosis #checklist
Hyperkalemia Management
Pseudohyperkalemia: 1. Hemolyzed sample 2. Blood drawn from a site/line where potassium or TPN is
Hyperkalemia Management ... site/line where potassium ... minutes-hour) -Shift ... or dialysis • SLOW ... #high
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
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Disorders: • Hyperkalemia ... Tower sign) and low-amplitude ... • Short QT, high ... differential #diagnosis #cardiology
The crusade against “Ab”Normal Saline continues.  This is a non-physiologic fluid that can harm our
we introduce a high ... , the ICF must now ... causes Hyperkalemia ... The high CL- content ... diagnosis #treatment #pharmacology