Final answer:
Among the adaptations of a postpartum client treated for deep vein thrombosis, dyspnea is the most concerning, as it could indicate a life-threatening pulmonary embolism, a potential complication of DVT.
Step-by-step explanation:
A client at 36 hours postpartum being treated with subcutaneous enoxaparin (Lovenox) for left calf deep vein thrombosis (DVT) presents several adaptations that could be of concern to a monitoring nurse. Among the listed adaptations, dyspnea (A) is the most concerning. Dyspnea, or difficulty breathing, can be a sign of a pulmonary embolism, which is a life-threatening condition where a part of the blood clot breaks off and travels to the lungs. This is a potential complication of DVT. A pulse rate of 62 (B) can be normal for some people, especially if they are physically fit. A blood pressure of 136/88 (C) is slightly elevated but not immediately alarming postpartum. A positive left leg Homans' sign (D) indicates discomfort in the calf upon dorsiflexion of the foot and can be a sign of a DVT, which the patient is already diagnosed with and being treated for. Therefore, while a positive Homans' sign is relevant to the patient's condition, it is not as emergent as dyspnea, which suggests a possible pulmonary embolism requiring immediate intervention.