A 63-year-old man with a large pleural effusion (BP 138/82, HR 92, RR 22, SpO2 92% on room air) and chest imaging showing fluid layering posteriorly undergoes thoracentesis. The needle is inserted just superior to the upper border of the rib below the chosen interspace. He denies chest pain. This approach is used primarily to avoid injury to which of the following structures located in the neurovascular bundle?
- A)Intercostal vein
- B)Intercostal nerve
- C)Internal thoracic artery
- D)Intercostal arteryGABARITO
- E)Azygos vein
Explicação
The main intercostal neurovascular bundle lies in the costal groove along the inferior border of each rib in the order vein, artery, nerve. Entering just above the superior border of the lower rib minimizes injury to the bundle, especially the artery and nerve... Ver explicação completa e trilha adaptativa →