10 results
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
toxicity • Classic ... slow ventricular rate ... Electrocardiogram #ekg ... #ecg #toxicology ... #cardiology #diagnosis
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Digoxin Pharmacology ... and Pathophysiology ... Decreased heart rate ... #Pharmacology # ... #cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
0 to decrease rate ... inotropy) ACCP Cardiology ... Vaughan #Williams #Pharmacology ... #pathophysiology ... #cardiology
Clinically Significant Cardiovascular Drug-Drug Interactions With OTC Supplements and Herbal Products
Angiotensin-Converting Enzyme Inhibitors (ACEIs)
 • Night-blooming
and tachycardia Digoxin ... vera, Licorice - Causes ... potential arrhythmias Class ... supplementals #herbal #pharmacology ... #DDI #table #cardiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... inotropy) ACCP Cardiology ... Antiarrhythmics #Pharmacology ... #pathophysiology ... #phases #cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
positive in 90% of IE cases ... Generalized: • Chills, night ... ↑ ESR, CRP • EKG ... • Left sided > Right ... diagnosis #management #cardiology
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Diagnosis and Pathophysiology ... fibrillation at a rate ... • Infective Endocarditis ... Differential #Diagnosis #Pathophysiology ... #causes #cardiology
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Consider known drug causes ... (eg. remifentanil ... , digoxin etc) ... beta-blocker; digoxin ... Management #Workup #Cardiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess Pathophysiology ... degrees • Chills, night ... CXR upright or lat ... • Vasculitis (e.g ... #differential #causes
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Endocarditis - Overview ... positive in 90% of IE cases ... ↑ ESR, CRP • EKG ... • Left sided > Right ... Differential #Diagnosis #cardiology