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ati. Time Remaining: 08:09:52 Pause Remaining: 00:05:00 A client is diagnosed with a pulmonary embolism (PE) and admitted to the medical unit. Which of the following nursing actions and treatments are appropriate as first-line interventions? (Select all that apply) (Select All that Apply.) Immediately arrange for thrombectomy to remove the clot. Initiate anticoagulation therapy with low-molecular-weight heparin (LMWH) as prescribed. Administer supplemental oxygen if oxygen saturation is below 90%. Monitor vital signs and cardiopulmonary status frequently to detect early signs of hemodynamic instability. Prepare for possible use of unfractionated heparin infusion if the client becomes hemodynamically unstable.