Last week the therapist sent her patient, who is 3 days post…

Last week the therapist sent her patient, who is 3 days post-op knee arthroplasty, to the emergency room after noting that the patient’s calf was red, swollen, and painful. The patient was diagnosed with a blood clot.  Now when any patient presents with redness, swelling, and pain in the calf the therapist refers the patient to the emergency room to rule out a DVT regardless of other presenting factors. This would be an example of ___________ type of bias: