Study Reveals Only 14% of Online Blood Pressure Images Show Correct Measurement Technique
New research finds that just 1 in 7 online stock images accurately depict proper blood pressure measurement techniques, potentially leading to widespread incorrect readings and treatment decisions.
A new study published in Hypertension, an American Heart Association journal, reveals that only 14% of online stock images depicting blood pressure measurement follow clinical guidelines, potentially contributing to inaccurate readings in both home and clinical settings. The research, which analyzed over 1,100 images from major stock photo websites, found that images showing home monitoring were approximately three times more accurate than those depicting professional healthcare settings.
Lead author Alta Schutte, Ph.D., professor of cardiovascular medicine at the University of New South Wales Sydney, expressed concern about the findings. "We expected that about 50% of images would be accurate, however, our findings were worse than expected," Schutte said. "Because people tend to remember images better than words—a phenomenon known as the picture-superiority effect—inaccurate visuals could have serious public health consequences."
The analysis identified multiple deviations from the 2023 International Consensus on Standardized Clinic Blood Pressure Measurement guidelines. Common errors included lack of back support (73%), forearm not resting on a flat surface (55%), use of manual instead of electronic devices (52%), dangling feet (36%), and talking during measurement (23% for healthcare professionals, 18% for patients). Additional issues included mid-arm not at heart level (19%), crossed legs (13%), patient not sitting (5%), and cuff placed over clothing (12%).
The study found significant differences between settings, with 25% of home monitoring images showing accurate techniques compared to only 8% of images from physician offices, healthcare facilities, or hospitals. Images depicting measurements taken by patients or non-professionals were six times more likely to show accurate techniques than those showing healthcare professionals taking measurements.
Daniel Jones, M.D., FAHA, chair of the American Heart Association's 2025 high blood pressure guideline writing committee, emphasized the importance of accurate imagery. "This study highlights the importance of using accurate images to demonstrate the proper technique for measuring blood pressure," Jones said. "Home blood pressure monitoring is recommended for patients to help confirm an office diagnosis of high blood pressure and to monitor, track progress and tailor care as part of an integrated care plan."
The American Heart Association provides resources to help people learn proper blood pressure measurement techniques. Researchers urge organizations, media outlets, and web developers to review their online images to ensure they represent proper techniques, potentially reducing incorrect blood pressure readings in both home and clinical environments.