18.5 Pacemaker cells trigger action potentials throughout the heart: Human Anatomy and Physiology
The Aorta and its branches.
Labeled radiographic anatomy of the male (bottom image) and female (top image) pelvis.
Left To Right Shunt Lesions: Ventricular Septal Defect (VSD)
EKG strip interpretation
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Aus Hamburg,Impressionen Aus,From Hamburg,Impressions