Right heart strain
Right heart strain (also right ventricular strain or RV strain) is a
heart muscle of the right ventricle (RV) is deformed.[2] Right heart strain can be caused by pulmonary hypertension,[3] pulmonary embolism (or PE, which itself can cause pulmonary hypertension[4]), RV infarction (a heart attack affecting the RV), chronic lung disease (such as pulmonary fibrosis), pulmonic stenosis,[5] bronchospasm, and pneumothorax.[6]
When using an
echocardiograph (echo) to visualize the heart,[a] strain can appear with the RV being enlarged and more round than typical. When normal, the RV is about half the size of the left ventricle (LV). When strained, it can be as large as or larger than the LV.[5] An important potential finding with echo is McConnell's sign, where only the RV apex wall contracts;[7] it is specific for right heart strain and typically indicates a large PE.[8]
On an
cardiac magnetic resonance.[14]
See also
- Pulmonary heart disease (cor pulmonale)
- Right heart failure
- Hampton hump
Notes
References
- ^ Weerakkody, Yuranga. "Right heart strain | Radiology Reference Article | Radiopaedia.org". radiopaedia.org. Retrieved 2016-07-12.
- PMID 20620859.
- PMID 27162612.
- PMID 26394330.
- ^ ISBN 978-0-323-29021-0.
- ^ ISBN 9781444181852.
- ISBN 9781107035027.
- PMID 25986329.
- ISBN 9780387888804.
- ISBN 9780198717027.
- ISBN 9781449677893.
- ISBN 9781449677893.
- ^ PMID 25994548.
- PMID 26289321.
External links
- Right Ventricular Strain ECG Library
- Right Ventricular Strain & Failure Video by Vanderbilt Emergency Medicine
- McConnell sign and S1Q3T3 pattern in pulmonary embolism: revisited