2003-08-11-07 Atrial flutter © Guerrero www.thefetus.net/
Luis Guerrero, MD
Centro de Estudios Perinatales - CEUSP , Valencia - Venezuela
This is an example of atrial flutter. Note that the atrial contraction (the fast lower aspect of the M-mode) is twice as fast as the ventricular contractions. Thus there is also a 2:1 atrioventricular block.