Anomalies of the LVOT: Aortic Stenosis

Question 1

In Ao Stenosis, the valve leaflets are ____.

Answer 1

thickened

Question 2

Due to the thickened leaflets, the ____ ____ is abnormal between the Ao and LV

Answer 2

pressure gradient

Question 3

In AO stenosis, there is less coronary perfusion because of the small ____ ____ ____.

Answer 3

sinuses of valsalva

Question 4

Although the leaflets are fused, they do not become ____ until later in life.

Answer 4

thickened

Question 5

AO stenosis can be well tolerated? Y or N

Answer 5

Yes

Question 6

After age 6, this test is performed on a child with AO stenosis to check for O2 demand, exercise tolerance and arrhythmias.

Answer 6

stress echo

Question 7

In a patient with severe Ao stenosis, they can develop failure of which chamber?

Answer 7

LV

Question 8

In a patient with severe Ao stenosis, a patient can develop ____ ____ over time.

Answer 8

Pulmonary Hypertension

Question 9

In a patient with severe Ao stenosis, a patient can experience which life threatening arrhythmia?

Answer 9

Ventricular Arrhythmias

Question 10

Some symptoms and physical findings in patients with Ao stenosis:

Answer 10

1. fatigue
2. CHF
3. Chest pain
4. Arrhythmias
5. Dyspnea
6. Murmur
7. Left Heart Failure
8. Dilated Ao root
9. Aortic Aneurysm/Dissection

Question 11

Surgical options for patients with Ao stenosis:

Answer 11

1. Balloon Valvuloplasty
2. Valve replacement in 20’s
3. Drug management therapy
4. Ross procedure

Question 12

What is the Ross Procedure?

Answer 12

Pulmonic Valve in the Ao position.

Pulmonic valve replaced at a later time.