The first -
http://bhavin.typepad.com/cardiac_images/2005/12/left_atrial_myx.html
is a left atrial myxoma with perfusion imaging.
The second is a sessile thrombus -
http://bhavin.typepad.com/cardiac_images/2005/12/large_sessile_t.html -
attached to the thinned, non-viable anterior wall of the LV
Merry Christmas and Have a Great Year ahead.
Dr. Bhavin Jankharia
www.ctcardiac.com
www.jankharia.com
www.refindia.net