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Your doctor has requested Photoplethysmography to determine if there is a problem with your circulation to your fingers and/ or toes under certain conditions. The circulation to your fingers and toes will be measured before and after submersion in cold water. At Cedars-Sinai's S. Mark Taper Foundation Imaging Center, we have a specialized team of physicians and technologists who are experts in ultrasound technology.
Before Your Exam
There is no preparation for this exam and you may eat and drink. You may take your scheduled medications.
Bring a magazine, book or music player to help you pass the time in case you have to wait.
Leave valuables and jewelry at home.
During Your Exam
You will be lying on the exam table on your back with your hands at your sides. The technologist will apply a warm gel to your arms and a transducer or a small microphone will be used to examine your arteries.
You will hear the sound of moving blood during the exam. Do not be alarmed, it is harmless. The exam will take approximately 60 minutes.
After Your Exam
Your study will be read by a physician who will send the results to your doctor. Your doctor, who ordered the study, will explain the findings to you.
If you have problems related to your procedure or would like to request a copy of your report, please call (310) 423-8000.
For more information or to schedule an appointment, please call (310) 423-8000.
The S. Mark Taper Foundation Imaging Center provides a full range of advanced imaging, both radiology and cardiology, as well as interventional radiology and interventional tumor (oncology) treatments to the greater Los Angeles area, including Beverly Hills, Encino, Mid-Cities, Sherman Oaks, Silver Lake, Studio City, Toluca Lake, and West Hollywood.