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Cardiovascular Echo Lab
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A lab that uses echocardiography to measure heart function and blood flow without harming the body.
AboutAbout the lab
Training people who are strong in both echo practice and research.
The Cardiovascular Echo Lab studies methods of examining heart and blood vessel diseases using ultrasound (echo).
Its aim is to train people who are skilled in the practice of ultrasound examination and who can also work as researchers in ultrasound medicine.
The lab carries out education and research in collaboration with technologists and physicians from the Division of Laboratory and Transfusion Medicine, the Ultrasound Center, and the Echocardiography Room at Hokkaido University Hospital.
Alongside their graduate research, graduate students receive instruction in the clinical setting on examination technique and image interpretation.
Key terms
- Echocardiography
- An examination that uses ultrasound applied to the chest to create images of the shape and movement of the heart and of blood flow
- Noninvasive
- Being able to examine the body without harming it, for example without inserting needles or tubes
- Heart failure
- A condition in which the pumping function of the heart has weakened and it can no longer send enough blood to the body
NewsLab news
A master's student received an Excellence Award at the Young Investigator's Award selection session of the Japanese Society of Echocardiography
Assistant Professor Murayama received the top award in the ultrasound cardiac category of the 33rd Garon "The Best Image"
A paper by a master's student was accepted by the Journal of Echocardiography
A graduate student received the Best Poster Award at the 7th FHS International Conference
A master's student received an Excellent Presentation Award at the Hokkaido Regional Meeting of the Japan Society of Ultrasonics in Medicine
ResearchResearch themes
Using ultrasound examination centered on echocardiography, the lab works on methods to accurately assess heart function and blood flow without harming the body, as well as on diagnosing heart disease and predicting prognosis. It also studies ultrasound examination of organs and blood vessels other than the heart.
*Illustrative imageMeasuring cardiac function noninvasively
Cardiac catheterization is needed to measure heart function and blood flow most accurately, but this examination carries a small risk. The lab is developing methods to estimate these noninvasively and accurately by echocardiography, in particular methods to measure left ventricular diastolic function, pulmonary circulation, and right ventricular function.
*Illustrative imageNew diagnostic methods for heart disease
Using echocardiography, which is safe and can be repeated, the lab develops new diagnostic methods and works to clarify the mechanisms of heart diseases such as heart failure, pericarditis, and hypertrophic cardiomyopathy.
*Illustrative imagePredicting prognosis in heart failure
It has become clear that the prognosis of patients with heart failure depends on how well left ventricular diastolic function and right heart function are maintained. The lab studies how to evaluate these by echocardiography and use them to predict the prognosis of patients with heart failure.
*Illustrative imageUltrasound examination beyond the heart
The lab has studied methods of diagnosing vulnerable plaques by carotid ultrasound, the clinical application of renal venous flow in joint research with the Ultrasound Center, and ultrasound imaging findings in crystal-induced arthritis and giant cell arteritis.
MembersFaculty
The members of the Cardiovascular Echo Lab consist of faculty, master's students, and fourth-year undergraduates doing their graduation research.As of 2026
- Associate ProfessorSanae Kaga
- Assistant ProfessorMichito Murayama
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Echocardiogram in US Navy” U.S. Air Force photo by Senior Airman Kasey Close / Public domain (cropped)
- Measuring cardiac function noninvasively: “Echocardiogram 4chambers” 作者不詳 / Public domain (cropped)
- New diagnostic methods for heart disease: “2D ECHOCARDIOGRAM MACHINE WITH A TABLE AND A STETHOSCOPE” Dr D. Malleswara Rao / CC BY-SA 4.0 (cropped)
- Predicting prognosis in heart failure: “UltrasoundProbe2006a” The original uploader was Drickey at English Wikipedia. / CC BY-SA 2.5 (cropped)
- Ultrasound examination beyond the heart: “Carotid ultrasound” National Heart Lung and Blood Insitute (NIH) / Public domain (cropped)
- Related lab (Pathological and Immunological Laboratory Science Lab): “Renal corpuscle” Ed Uthman (Pathologist) / CC BY-SA 2.0 (cropped)
- Related lab (Environmental Health Sciences Lab): “Japanese living by Emile Bremmer is licensed under CC BY 2.0” Emile B from Europe / CC BY 2.0 (cropped)
- Related lab (Cellular Metabolic Chemistry Lab): “Adipocytes Lipid Droplets Oil Red O Staining Rkott 2023” Rkott / CC BY-SA 4.0 (cropped)
- Related lab (Biomedical Science and Engineering Lab): “Beta radiation in a cloud chamber” Nuledo / CC BY-SA 4.0 (cropped)
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