The Magic Touch: A Case Report of How Smartphone Fingerprint Technology Was Utilized to Establish a Last Known Well Time for Recanalization Treatment in a Patient With Acute Ischemic Stroke

Jessica Choi, James Rhee, Maya Lewis, Shlee Song

Abstract


Tissue plasminogen activator (tPA) is currently a standard of care for acute stroke patients. One of the necessary criteria in determining eligibility for tPA is the last known well (LKW) time. The LKW time is unfortunately often difficult to obtain accurately if no witness is available, thus posing as an obstacle for acute recanalization therapy. We present the case of a patient who arrived unresponsive with an unwitnessed onset of symptoms concerning for an acute stroke. An LKW time was able to be successfully established by using her fingerprint to unlock her phone and discover a coherent text sent a few hours prior. Patient was able to receive intravenous (IV) tPA and demonstrated remarkable recovery. The use of fingerprint ID to unlock the patient’s phone raises the concern of breach of privacy and whether involuntary smartphone searches apply to the emergency code of conduct outlined by the FDA. Smartphone applications, such as Apple iOS “Medical ID” argues for maximal utilization of smartphone technology for emergent medical conditions. Utilization of smartphone technology can potentially serve a potential solution, but the question remains as to whether this practice would be deemed to be ethically appropriate under the policy of implied informed consent under emergent conditions.




J Med Cases. 2020;11(2):44-45
doi: https://doi.org/10.14740/jmc3431

Keywords


Stroke; Last known well; tPA; Technology; Ethics

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