21 results
66 yo with syncope - Ventricular Tachycardia

This ECG shows a wide-complex tachycardia in a right bundle
tachycardia in a right ... quite fast (heart rate ... VentricularTachycardia #Clinical ... #Cardiology #ECG ... #EKG #Electrocardiogram
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
Wellen’s waves are biphasic with a tight positive, then negative deflection and evolve to become symmetrically
biphasic with a tight ... Here’s classic Wellen ... TWaves #biphasic #ECG ... #EKG #Electrocardiogram ... #Clinical #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
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Digoxin Pharmacology ... and Pathophysiology ... Decreased heart rate ... #Pathophysiology ... #cardiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess Pathophysiology ... Lung Abscess - Clinical ... degrees • Chills, night ... • Vasculitis (e.g ... #differential #causes
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Culture-Negative Infective Endocarditis ... reduces recovery rate ... antimicrobials, clinical ... but important causes ... special stains (e.g
X-Linked Agammaglobulinemia: Pathogenesis and clinical findings
The epidemiology of this disease is 1/340,000 births and roughly double
Pathogenesis and clinical ... roughly double this rate ... to produce all classes ... bacterial infections (e.g ... Agammaglobulinemia #XLinked #pathophysiology