A 72-year-old woman presented with sudden-onset shortness of breath. There was no associated chest pain, nausea or sweating. She had had breast cancer 14 years previously, treated by wide local… Click to show full abstract
A 72-year-old woman presented with sudden-onset shortness of breath. There was no associated chest pain, nausea or sweating. She had had breast cancer 14 years previously, treated by wide local excision, radiotherapy and tamoxifen. She gave no history of cardiac or pulmonary disease and had no current risk factors for venous thromboembolism. On examination she had good air entry to both lungs and normal breath sounds. Heart rate was 88/min with blood pressure 133/73 mm Hg. Her SpO2 on air was 92%–95% at rest. She had no lower limb swelling or tenderness. Revised Geneva score …
               
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