Click to open: 
Lewis lead.  Enhancing view of P waves.

The Lewis Lead is used to enhance our view of atrial activity, emphasizing P waves and flutter waves.  Illustration by Dawn Altman.  Free for use in educational setting.  Contact Dawn for commercial use:  [email protected]

All our content is FREE & COPYRIGHT FREE for non-commercial use

Please be courteous and leave any watermark or author attribution on content you reproduce.