The Right Ventricle

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Last updated 12:57 PM on 9/30/26

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13 Terms

1

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Which ventricle holds more blood at end‑diastole?

RV EDV > LV EDV (RV holds slightly more blood).

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<p>RV EDV > LV EDV (RV holds slightly more blood).</p><img src="https://assets.knowt.com/user-attachments/24e88895-ddef-4243-921a-d36a4278151e.png" data-width="50%" data-align="center" alt="knowt flashcard image" style="display: block; width: 50%; margin-left: auto; margin-right: auto;"><p></p>

2

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Causes of RV pressure overload

Pulmonary hypertension, pulmonic stenosis.

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<p>Pulmonary hypertension, pulmonic stenosis.</p><img src="https://assets.knowt.com/user-attachments/2600c1cc-b747-47ee-aed3-0af8e01a2dc5.png" data-width="50%" data-align="center" alt="knowt flashcard image" style="display: block; width: 50%; margin-left: auto; margin-right: auto;"><p></p>

3

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Causes of RV volume overload

Tricuspid regurgitation, pulmonic regurgitation, atrial septal defect.

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<p>Tricuspid regurgitation, pulmonic regurgitation, atrial septal defect.</p><img src="https://assets.knowt.com/user-attachments/be72941e-09aa-4ecc-a6b6-289f595eee6a.png" data-width="50%" data-align="center" alt="knowt flashcard image" style="display: block; width: 50%; margin-left: auto; margin-right: auto;"><p></p>

4

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How do pulmonary arterioles respond to oxygen?

They dilate in the presence of oxygen

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<p>They dilate in the presence of oxygen</p><img src="https://assets.knowt.com/user-attachments/01b67141-e818-4f37-a847-b0c9b5d4181b.png" data-width="50%" data-align="center" alt="knowt flashcard image" style="display: block; width: 50%; margin-left: auto; margin-right: auto;"><p></p>

5

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How does pulmonary embolism cause hypotension?

Blocked pulmonary arteries → CO forced through fewer vessels → ↑PVR → RV failure → hypotension.

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<p>Blocked pulmonary arteries → CO forced through fewer vessels → ↑PVR → RV failure → hypotension.</p><img src="https://assets.knowt.com/user-attachments/ad491ad3-ef5c-4eb2-bd2a-58e2e37f257b.png" data-width="50%" data-align="center" alt="knowt flashcard image" style="display: block; width: 50%; margin-left: auto; margin-right: auto;"><p></p>

6

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Effect of left‑to‑right shunt on pulmonary vasculature

Systemic pressure damages pulmonary arteries → hypertrophy → ↑PVR → impaired oxygenation.

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<p>Systemic pressure damages pulmonary arteries → hypertrophy → ↑PVR → impaired oxygenation.</p><img src="https://assets.knowt.com/user-attachments/73b7111c-653f-4fa7-99ad-c00d90045524.png" data-width="50%" data-align="center" alt="knowt flashcard image" style="display: block; width: 50%; margin-left: auto; margin-right: auto;"><img src="https://assets.knowt.com/user-attachments/5d30e140-5622-4ef0-a991-5b6f51685096.png" data-width="50%" data-align="center" alt="knowt flashcard image" style="display: block; width: 50%; margin-left: auto; margin-right: auto;"><p></p>

7

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What causes reversal to right‑to‑left shunt?

PVR > SVR → deoxygenated blood enters systemic circulation.

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<p>PVR > SVR → deoxygenated blood enters systemic circulation.</p><img src="https://assets.knowt.com/user-attachments/5536522e-0b7e-4662-bebc-757481a4ff86.png" data-width="50%" data-align="center" alt="knowt flashcard image" style="display: block; width: 50%; margin-left: auto; margin-right: auto;"><p></p>

8

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Signs of Eisenmenger syndrome

Clubbing, polycythemia, hemoptysis, heart failure.

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<p>Clubbing, polycythemia, hemoptysis, heart failure.</p><img src="https://assets.knowt.com/user-attachments/8a5893a4-7b9e-4d0e-8190-cac6648fc3e8.png" data-width="50%" data-align="center" alt="knowt flashcard image" style="display: block; width: 50%; margin-left: auto; margin-right: auto;"><p></p>

9

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Is Eisenmenger reversible?

No — irreversible pulmonary hypertension

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<p>No — irreversible pulmonary hypertension</p><img src="https://assets.knowt.com/user-attachments/e7bf1326-f1cd-48e9-b4d8-058ce35e207b.png" data-width="50%" data-align="center" alt="knowt flashcard image" style="display: block; width: 50%; margin-left: auto; margin-right: auto;"><p></p>

10

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What is Tetralogy of Fallot?

VSD + Pulmonic stenosis + Overriding aorta + RV hypertrophy. PROV

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<p><strong>V</strong>SD + <strong>P</strong>ulmonic stenosis + <strong>O</strong>verriding aorta + <strong>R</strong>V hypertrophy. PROV</p><img src="https://assets.knowt.com/user-attachments/0c72ef8a-f705-404b-a9bc-e309b6fb41e4.png" data-width="50%" data-align="center" alt="knowt flashcard image" style="display: block; width: 50%; margin-left: auto; margin-right: auto;"><p></p>

11

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What is L‑TGA (Congenital Corrected Transposition of the Great Arteries)?

TGA=Transposition of Great Arteries=>Congenital corrected transposition where RV becomes systemic ventricle.

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<p>TGA=Transposition of Great Arteries=>Congenital corrected transposition where RV becomes systemic ventricle.</p><img src="https://assets.knowt.com/user-attachments/e931c3a9-8d44-4b38-a342-5527bf15703c.png" data-width="50%" data-align="center" alt="knowt flashcard image" style="display: block; width: 50%; margin-left: auto; margin-right: auto;"><p></p>

12

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Natural history of systemic RV (L‑TGA)

RV fails in 30s–40s due to chronic systemic workload.

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<p>RV fails in 30s–40s due to chronic systemic workload.</p><img src="https://assets.knowt.com/user-attachments/6d1a981e-e5a5-46fc-991f-6b314fef0683.png" data-width="50%" data-align="center" alt="knowt flashcard image" style="display: block; width: 50%; margin-left: auto; margin-right: auto;"><p></p>

13

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ECG finding suggesting RV infarct in inferior MI

ST elevation in II, III, aVF plus ST elevation in V1

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<p>ST elevation in II, III, aVF <strong>plus</strong> ST elevation in V1</p><img src="https://assets.knowt.com/user-attachments/57354988-6029-4eef-953b-114c6f22325f.png" data-width="50%" data-align="center" alt="knowt flashcard image" style="display: block; width: 50%; margin-left: auto; margin-right: auto;"><img src="https://assets.knowt.com/user-attachments/ffa6bf3f-ff2d-4f6a-9970-8625d11b4bf0.png" data-width="50%" data-align="center" alt="knowt flashcard image" style="display: block; width: 50%; margin-left: auto; margin-right: auto;"><p></p>