only a small part of the heart can be imaged at any one time (the beam is only about 1cm wide)
difficult to elucidate relationships between different parts of the same structure - not appropriate for studying cardiac anatomy and ventricular function
hard copies of M-mode traces should not be interpreted without reference to videotaped images
Add information to this page that would be handy to have on hand during a consultation, such as a web address or phone number. This information will always be displayed when you visit this page