Anesthesia for Thoracic Surgery

Question 1

Lead II parallels that of what wave?

Answer 1

P wave

Question 2

Lead V5 parallels that of what part of the heart?

Answer 2

Anterolateral wall

Question 3

CVP mostly is used in patients undergoing?
Success rate is highest when CVP is inserted at what vessel?
Subclavian vein insertion can lead to?
If doing subclavian which side should it be inserted?

Answer 3

Pneumonectomy
Right INTERNAL jugular vein
Pneumothorax
Ipsilateral

Question 4

Avoid fluid overload as it can lead to?

Answer 4

Postoperative pulmonary edema

Question 5

PA artery catheter is best inserted through what vessel?
And what technique is it called?
Upper safety limits for mean thoracotomy if PA is occluded? Left? Right?

Answer 5

Right internal jugular vein
Seldinger technique
Left: 35 mmHg
Right: 33 mmHg

Question 6

Arterial to alveolar CO2 difference?

Answer 6

4-6 mmHg

Question 7

Is the most common way to provide adequate ventilation and ensure gas exchange in an open chest situation?

Answer 7

Controlled positive pressure ventilation

Question 8

2 complications that can arise from a patient spontaneously breathing with an open chest

Answer 8

1. mediastinal shift

2. paradoxical breathing