22 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Antiarrhythmics ... • Slows sinus rate ... EricsMedicalLectures/ #Antiarrhythmics ... Classification #Classes #cardiology ... #pharmacology
Here another patient with free abdominal air.
Notice the very thin regular line which is the diaphragm
line which is the diaphragm ... impression one might ... this is just some plate-like ... #Clinical #Radiology ... #RadiologyAssistant
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics ... inotropy) ACCP Cardiology ... Vaughan #Williams #Pharmacology ... Classification #Classes #pathophysiology ... #cardiology
Class III Antiarrhythmics - Potassium Channel Blockers - Indications and Side Effects
Amiodarone
 • Suppression of VT
Class III Antiarrhythmics ... a-fib/a-flutter • Rate ... EricsMedicalLectures/ #ClassIII #Antiarrhythmics ... Channel #Blockers #pharmacology ... #cardiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics ... Pharmacology Summary ... #Pharmacology # ... Classification #Classes #pathophysiology ... #phases #cardiology
The contours of the left and right diaphragm should be visible.
The right diaphragm should be visible
of the left and right ... diaphragm should ... The right diaphragm ... Clinical #Anatomy #Radiology ... Hemidiaphragm #RadiologyAssistant
Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
contour of the diaphragm ... proximity to the diaphragm ... first glance you might ... #Clinical #Radiology ... SubpulmonicEffusion #RadiologyAssistant
PA view
On the PA chest-film it is important to examine all the areas where the lung
lung borders the diaphragm ... for instance the right ... we will discuss later ... Clinical #Anatomy #Radiology ... ParatrachealStripe #RadiologyAssistant
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Palpitations, light-headedness ... block or WPW Rate ... sinus rhythm vs rate ... electrical) • Antiarrhythmic ... diagnosis #management #cardiology
The image on the right is after insertion of an intercostal drain.
Notice that the diaphragm has
The image on the right ... Notice that the diaphragm ... #Clinical #Radiology ... #Chest #Tube #RadiologyAssistant