Question

A 40 year old male patient is brought to the emergency room with a stab injury to the chest. On examination the patient is found to be hemodynamically stable. The neck veins are engorged and the heart sounds are muffled. All the following statements are true about this patient except:

• A. Cardiac tamponade is likely to be present
• B. Immediate emergency room thoracotomy should be done
• C. Echo should be done to confirm pericardial blood
• D. The entry wound should be sealed with an occlusive dressing

Hint:

Beck's triad points to tamponade, but ER thoracotomy is only for patients without vital signs.

Answer 1

The Correct Option is B

This question describes a stable patient with a stab wound to the chest who has two of the three signs of cardiac tamponade: engorged neck veins and muffled heart sounds. We need to find the one statement among the four that is NOT true for this patient.

1. Cardiac tamponade is likely to be present: True. Neck vein engorgement plus muffled heart sounds after a penetrating chest wound is the classic setup for blood collecting around the heart.
2. Immediate emergency room thoracotomy should be done: False. This aggressive bedside surgery is kept for patients who have no pulse or arrest in front of the team. A patient who is still hemodynamically stable should instead be worked up with imaging and taken to the operating room under controlled conditions, not cut open immediately in the emergency room.
3. Echo should be done to confirm pericardial blood: True. Ultrasound of the heart is quick and safe, and it is the standard way to look for fluid in the pericardial sac in a stable patient before deciding the next surgical step.
4. The entry wound should be sealed with an occlusive dressing: True. Covering a chest wound with an airtight dressing is basic first aid while the rest of the assessment is completed.

Three of the four statements describe correct, standard management. Only the call for immediate emergency room thoracotomy does not fit a stable patient, since that operation is meant for patients in extremis, not for one who is stable on arrival.

Let's summarize:

• Muffled heart sounds and neck vein engorgement after chest trauma suggest cardiac tamponade.
• Emergency room thoracotomy is for patients without vital signs, not for a stable patient.
• Echo and an occlusive dressing are both appropriate steps in a stable patient with a chest wound.

So the statement that is NOT true is that immediate emergency room thoracotomy should be done.