Thoracic Surgery

Which PDA shunt is worse

Right to left

which suture do you use to close a PDA

silk

For a PDA the thoracotomy of a dog is done where

4th left intercostal space

For a PDA the thoracotomy of a cat is done where

5th Left intercostal space

What procedure is not recommended for patients less than 2.5kg

Amplatz occluder

Which is the most classic PRAA

Aorta on right side instead of left-esophagus trapped

What is postoperative management of a persistent right aortic arch

elevated feeding of moist solid food

What is a pneumothorax

Air enters pleural space, disrupts negative pressure, and causes lung collapse

What is a tension pneumothorax?

air enters pleural space but cannot exit; accumulated air compresses lungs and shifts mediastinum.

What is the source of air for a closed pneumothorax

respiratory tract-trachea, bronchi, lungs, esophageal

What is the source of air for an open pneumothorax

wound in thoracic wall

What is the source of air for a spontaneous/tension pneumothorax

pulmonary- most dangerous as air goes into pleura

What is flail chest caused by

more than 2 fractures in a group of ribs

paradoxical respiration

What is the approach to a subtotal pericardiectomy-sub-phrenic pericardectomy

median sternotomy preferred, lateral thoracotomy at 4/5 ICS

What is the approach to an RPE

insufflate lungs gradually, aspirate until good negative pressure

When dealing with a thoracostomy what nerve block with lidocaine is important

dorsal and ventral intercostal nerve block

When can you remove a thoracostomy tube

drainage less than 2ml/kg/day