4 results
Left Atrium
 - The upper posterior border of the heart is formed by the left atrium.
border of the heart ... #Anatomy #Radiology ... #CXR #Lateral # ... Atrium #Ventricle ... #Cardiac #Chambers
On a chest film only the outer contours of the heart are seen.
In many cases we
Left Ventricle - ... Right Ventricle ... #Anatomy #Radiology ... #CXR #Atrium #Ventricle ... #Cardiac #Chambers
Cardiac conducting system 
 - Sinoatrial (SA) node normally generates the action potential, i.e. the electrical
Cardiac conducting ... excites the right atrium ... to excite left atrium ... #Anatomy #Cardiology ... #Cardiac #Heart
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Pharmacology Summary Cardiac ... contraction of ventricles ... cells allowing ventricles ... contraction of atrial ... reduce speed of ion