Perfusion Scan
Perfusion scan showing blood flow during rest and persantine stress. White areas mark those of ischemia. Irreversible defects are seen with ischemia both at rest and stress. (courtesy of Dr. Chi-Ming Chow)
Cardiac Nuclear Scan
Patient undergoing single photon emission tomography for nuclear cardiac imaging. (courtesy of Dr. Chi-Ming Chow)
Normal LCA
Normal left coronary artery (LCA) with the circumflex system inferior to the left anterior descending (LAD) artery in this view. (Courtesy of Toronto General Hospital Catheterization
Hypertrophic Cardiomyopathy
The ventricular wall is much thicker compared to that of a normal heart. (courtesy of Dr. Jagdish Butany)
Dilated Cardiomyopathy
The ventricle is enlarged with normal thickness of the ventricular wall. Note that this gross specimen also shows a lateral wall infarct stained as white myocardial tissue.
Stents Installed
This patient had two stents installed in this LAD, which you can see as cylindrical shapes within the vessel.
Stenotic Lesion
LAD with 95% stenotic lesion distal to diagonal branches. (Courtesy of Toronto General Hospital Catheterization Laboratory)
Stenosis LAD
Stenosis of LAD, as well as the circumflex.
Echocardiography
TEE Probe
Probe used in transesophageal echocardiogram. (Courtesy of Dr. Chi-Ming Chow)
Echocardiogram Video
TTE: Transthoracic echocardiogram with Doppler ultrasound showing the four chambers and blood flow. (Courtesy of Dr. Chi-Ming Chow)