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The mnemonic "MR PAN MS RUM AS JECK AR BLOW" would look like this:

1. MR PAN: Mitral Regurgitation and Pan-systolic

- Mitral Regurgitation (MR): A high-pitched, blowing, holosystolic murmur heard best at the apex and radiating towards the left axilla.

- Pan-systolic: Referring to murmurs, like MR, that occur throughout the entire systole.

2. MS RUM: Mitral Stenosis and Rumbling

- Mitral Stenosis (MS): A low-pitched, rumbling diastolic murmur heard best at the apex with the bell of the stethoscope, particularly in the left lateral decubitus position.

- Rumbling: Describes the sound quality of the MS murmur, which is a low-pitched, rumbling noise.

3. AS JECK: Aortic Stenosis and Ejection Click

- Aortic Stenosis (AS): A harsh, systolic ejection murmur heard best at the right second intercostal space and radiating to the carotids.

- Ejection Click (JECK): A sound often heard with valvular aortic stenosis, characterized by a high-pitched click early in systole.

4. AR BLOW: Aortic Regurgitation and Blowing

- Aortic Regurgitation (AR): A high-pitched, blowing, early diastolic murmur heard best along the left sternal border and at the end of expiration.

- Blowing: Describes the sound quality of the AR murmur, which is a high-pitched, blowing sound.

Understanding these pairings is important for recognizing and differentiating heart murmurs during auscultation, a key skill in cardiac examination.

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