Question: Your resident has returned to the facility 48 hours after a right knee replacement. Due to other comorbidities, he is at increased risk for an embolus and the provider has ordered prophylactic warfarin therapy. His PT level this morning is 13.2 seconds. You recognize this value as: checkmark-icon Critical and the provider should be notified immediately checkmark-icon Above therapeutic range and likely needs to skip the next dose of warfarin checkmark-icon Within normal range, and likely needs an increased dose of warfarin checkmark-icon therapeutic and no adjustment to warfarin dose is needed at this time