a 23-year-old man presents after closing his right hand in a car door. he is complaining of 10/10 sharp pain to his right index finger. on examination, you note the distal phalanx of the right index finger has ulnar deviation. it is edematous and ecchymotic. the fingernail is intact, however, a subungual hematoma occupying approximately 25% of the nail is present. what is the first step in the management of the subungual hematoma?