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ABS Written Board > Thoracic Surgery > Flashcards

Thoracic Surgery Flashcards

1
Q

What is the minimum requirement for FEV1 for a patient to proceed for a pneumectomy?

A

800cc

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2
Q

What is the diagnosis for a popcorn-like calcification for a pulmonary nodule on CT?

A

Pulmonary Hamartoma

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3
Q

What is the beneficial action of inhaled nitric oxide?

A

Shunting of blood flow away from damaged alveoli

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4
Q

What does nitric oxide need continuous administration?

A

NO is rapidly inactivated by binding to hemoglobin so any interruption in delivery can cause fatal hypoxemia and right sided heart failure.

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5
Q

How much fluid is required in the pleural space to be detected on chest x-ray?

A

300cc

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6
Q

Where is the site of most of the pleural fluid resorption?

A

The parietal pleural space

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7
Q

What is the absorptive capability of the pleural space?

A

5-10 Liters per day

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8
Q

What is the function of Type II pneumocytes?

A

Production of Surfactant which maintains alveolar stability

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9
Q

When is surgery indicated for Thoracic Outlet Syndrome?

A

Conservative Therapy Fails
Arterial Complications
Venous Thrombosis

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10
Q

What is the most common symptoms of Thoracic Outlet Syndrome?

A

Neurologic Symptoms of Ulnar Nerve Distribution

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11
Q

What is the first line therapy of Thoracic Outlet Syndrome?

A

Physical Therapy

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12
Q

What is the Adson test?

A

Diagnosis test for Thoracic Outlet Syndrome with the loss of radial pulse with turning the head toward the affected side

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13
Q

What is the definition of forced exhalation?

A

The use of abdominal wall muscles, internal intercostal muscles, and diaphragm to expire air out of the lungs

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14
Q

When should you perform the follow-up x-ray if a nodule has been stable for over 2 years?

A

1 year , if there is any change in character or size than a CT scan should be performed.

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15
Q

Solitary pulmonary nodules that have calcifications are likely to be malignant or benign?

A

Benign

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16
Q

How do we treat the majority of Histoplasmosis infections?

A

They do not warrant treatment and are self-limiting

17
Q

What artery can sometime originate off the inominate artery (brachiocephalic artery)

A

Thyroid ima artery which supplies the medial aspects of the both lobes of thyroid gland

18
Q

Is there an inominate artery off the left side of the body?

A

No

19
Q

What is the most common posterior mediastinal tumors found in children?

A

Neurogenic tumors

20
Q

What is the definition of Chronic Pancreatitis?

A

Pancreatic Fibrosis and the loss of function pancreatic exocrine and endocrine tissue

21
Q

What are the initial tests to assess for the presence of a rectovaginal fistula?

A

Methylene Blue Tampon Test (most sensitive)
Vagina “bubble” test
CT with rectal contrast
Barium Enema

22
Q

What is the most likely long-term complication from repair of a TEF

A

Increased GERD 30-60%

23
Q

Primary Pulmonary Hyptertension is also known as

A

Idiopathic Pulmonary Arterial Hypertension

24
Q

Bronchoscopy reveals a pink or purple friable endobronchial mass covered by intact epithelium.Tissue biopsy shows ribbons of uniform polygonal cells with round nuclei and fine granular chromatin embedded in a vascular stroma. What is the most likely diagnosis?

A

Typical Carcinoid

25
Q

What is the most common malignant primary chest wall tumor?

A

Chondrosarcoma (50%)

26
Q

What is the recommended postop FVC?

A

1.5L

27
Q

What is the recommended postop FEV1

A

> 0.8L

28
Q

What is the recommended DLCO

A

0.4

29
Q

What is the recommended VO2

A

10-12ml/min/kg

30
Q

What is the new test for patients who preop testing shows their FEV1 to be 0.7 but are non-smokers and does not require any home oxygen

A

Ventilation Perfusion Scan

ABS Written Board (2 decks)

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