A 67-year-old woman presents on postoperative day 4 following total hip arthroplasty with acute dyspnea and pleuritic chest pain. Vital signs reveal heart rate 112 bpm, blood pressure 118/76 mmHg, respiratory rate 22/min, and SpO2 94% on room air. Examination demonstrates left calf swelling and tenderness; right lung auscultation is clear. D-dimer is elevated at 2.8 mcg/mL. Which of the following is the most likely diagnosis?
- A)Fat embolism syndrome
- B)Pneumocystis jirovecii pneumonia
- C)Pulmonary embolismGABARITO
- D)Tension pneumothorax
- E)Streptococcus pneumoniae
Explicação
Pulmonary embolism is correct. Recent orthopedic surgery, calf tenderness suggesting deep venous thrombosis, and sudden pleuritic hypoxemic dyspnea are classic clues. This pattern is much more consistent with venous thromboembolism than with pneumonia or prima... Ver explicação completa e trilha adaptativa →