7 results
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics ... accpcardprn #Antiarrhythmics ... Vaughan #Williams #Pharmacology ... Classification #Classes ... #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics ... Pharmacology Summary ... #Pharmacology # ... Classification #Classes ... #pathophysiology
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
not tolerate a tight-fitting ... mask (e.g. facial ... uses a small valve ... specified flow rate ... management #pulmonary #criticalcare
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess Pathophysiology ... degrees • Chills, night ... CXR upright or lat ... • Vasculitis (e.g
General schema for respiratory support in patients with COVID-19
Low flow nasal cannula
 • Typically set at
Iimitation in the flow rate ... severe hypoxemia might ... filter • N95 mask ... volumes of ~6 cc/kg ... management #schema #criticalcare
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
a stroke that caused ... tissue => Years later ... Severe, worse at night ... FrozenShoulder #pathophysiology ... stages #staging #msk
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Digoxin Pharmacology ... and Pathophysiology ... intracellular calcium causes ... Decreased heart rate ... #Pathophysiology