8 results
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Differential Diagnosis Algorithm ... Hypercalcemia-PTH effect ... Na-KATPase, EGFR,HNF-1beta ... Differential #Diagnosis #Algorithm
Antiarrhythmics - Sodium Channel Blockers
Subclasses, Mechanisms, Indications, Side Effects
la - Quinidine, Procainamide
lb - Lidocaine, Mexiletine
Ic -
Indications, Side Effects ... Channel #Blockers #ClassI ... #Na #cardiology ... pharmacology #table #comparison
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
channel blocking effects ... 2 - Beta Blockers ... block alpha & beta ... inotropy) ACCP Cardiology ... pathophysiology #cardiology
Beta Blockers - Pharmacology Comparison Table
Metoprolol:
 • Receptors: β1
 • Indications: Rate control of a-fib/a-flutter, Suppression
Beta Blockers - ... Pharmacology Comparison ... limited by side effects ... #Pharmacology #Comparison ... Table #Receptors #cardiology
Clinically Significant Cardiovascular Drug-Drug Interactions With OTC Supplements and Herbal Products
Angiotensin-Converting Enzyme Inhibitors (ACEIs)
 • Night-blooming
increased bleed risk Beta-Blockers ... of beta-blockers ... vera, Licorice - Causes ... potential arrhythmias Class ... pharmacology #DDI #table #cardiology
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
(normal sinus beat ... a ventricular beat ... Brugada algorithm ... Aberration #Aberrancy #Comparison ... #Diagnosis #Cardiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
channel blocking effects ... 2 - Beta Blockers ... block alpha & beta ... inotropy) ACCP Cardiology ... pathophysiology #phases #cardiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
patient have any modifiable ... ASA class If ... event, follow ACC algorithm ... one post op Cardiology