Right Heart Review
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What happens first and lasts longer? Right or Left Sided Events?
Which cardiac valve has the largest opening?
Tricuspid valve 7-9cm2
What are some causes of Tricuspid Regurgitation? (5)
- 1. Aortic and Mitral valve diseases such as MS
- 2. Pulmonary Hypertension
- 3. RV infarction
- 4. Pacemaker wires
- 5. Heart transplant
What are 3 causes of pulmonary hypertension?
- 1. Mitral valve disease
- 2. Congenital lesions
- 3. Cor Pulmonale
What is ebstein's anomaly?
A congenital malformation of the TV in which the attachment of one or both leaflets are displaced downward from the annulus to the RV wall.
Why is there no left-sided involvement with carcinoid syndrome?
Because the lungs filter out the harmful substances.
Echo findings of Tricuspid Regurgitation
- 1. RVVO
- 2. Dilated RA and RV
- 3. Thickened leaflets
- 4. Dilated IVC
- 5. Reversal of flow in the hepatic veins
What formula do we use to determine the RVSP?
RVSP= 4v2 + IVC pressure
What formula do we use to quantitate the severity of tricuspid stenosis/the TVA?
TVA = 220/pressure half time
Causes of pulmonary stenosis (5)
- 1. Congenital
- 2. Carcinoid heart disease
- 3. Rheumatic
- 4. Ross procedure
- 5. Sinus of valsalva aneurysm- producing a RVOT obstruction
Echo Findings of pulmonary insufficiency (4)
- 1. Diastolic flutter on the TV- Doppler or M-Mode
- 2. Dilated RV from RVVO- 2D
- 3. Pancaked septum- 2D
- 4. High RV pressure causes premature opening
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