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Zorluk: KolayCardiothoracic and Vascular Surgery

While recovering in the surgical intensive care unit on postoperative day 1 following coronary artery bypass grafting, a 58-year-old woman experiences acute respiratory distress. Thirty minutes prior to this event, a right internal jugular central venous catheter was inserted for hemodynamic monitoring. Her blood pressure has dropped to 70/40 mmHg, and her heart rate is 135/min. On physical examination, breath sounds are absent over the right lung field, and the jugular veins are prominently distended. Which of the following is the most appropriate next step in management?

  1. Immediate needle thoracostomyCevap
  2. B
    Computed tomography scan of the chest
  3. C
    Administration of intravenous furosemide
  4. D
    Initiation of empiric broad-spectrum antibiotics
  5. E
    Measurement of arterial blood gas for acid-base analysis

Cevap

Immediate needle thoracostomy
The correct answer is immediate needle thoracostomy. This patient's presentation of sudden respiratory distress, obstructive shock (hypotension, tachycardia), absent unilateral breath sounds, and jugular venous distention shortly after a central venous catheter placement is the classic presentation of an iatrogenic tension pneumothorax. Because the patient is hemodynamically unstable, the diagnosis is purely clinical, and immediate decompression is required to restore venous return and cardiac output. Imaging must not delay treatment.

Adım Adım Çözüm

1
Identify the primary complication from the clinical presentation.
The combination of sudden respiratory distress, hypotension, absent unilateral breath sounds, and jugular venous distention shortly after central line placement points to an iatrogenic tension pneumothorax.
Central venous catheterization carries a known risk of pleural puncture, leading to air accumulation that compresses mediastinal structures.
2
Assess the patient's hemodynamic status.
The patient is hypotensive (70/40 mmHg) and tachycardic (135/min), indicating obstructive shock.
Increased intrathoracic pressure from the tension pneumothorax severely impairs venous return to the heart, leading to cardiovascular collapse.
3
Determine the most appropriate immediate intervention.
Immediate pleural decompression is required.
In a hemodynamically unstable patient, tension pneumothorax is a clinical diagnosis that must be treated immediately with needle or tube thoracostomy, without waiting for radiographic confirmation.

Anahtar Kavram

Tension pneumothorax is a life-threatening emergency presenting with obstructive shock, absent breath sounds, and jugular venous distention; it requires immediate clinical diagnosis and pleural decompression before any imaging is performed.
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Cardiothoracic and Vascular Surgery

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