S2 Heart Sounds !!hot!! Jun 2026

An exaggerated split that persists through both phases but widens during inspiration.

| Condition | S2 Intensity | Splitting Pattern | Respiratory Variation | Other Clues | | :--- | :--- | :--- | :--- | :--- | | | Normal A2 > P2 | Physiologic | Present (widens on inspiration) | Asymptomatic | | Hypertension | Loud A2 | Physiologic | Present | Elevated BP | | Pulmonary HTN | Loud P2 (may equal or exceed A2) | Narrow or single | Minimal | Right ventricular heave | | Aortic Stenosis | Soft/absent A2 | Paradoxical (if severe) | Reversed | Late-peaking murmur | | ASD | Normal or wide | Wide fixed | Absent | Systolic murmur at LUSB | | LBBB | Normal | Paradoxical | Reversed | Wide QRS on ECG | | RBBB | Normal | Wide physiologic or fixed | Present or absent | Wide QRS on ECG | s2 heart sounds

Continuous shunting of blood from the left atrium to the right atrium keeps the right ventricle overloaded, regardless of breath. 2. Paradoxical (Reversed) Splitting An exaggerated split that persists through both phases

The S2 heart sound, known as the "dub" in the rhythmic "lub-dub" of the cardiac cycle, is a critical clinical indicator of cardiovascular health. While the S1 sound marks the beginning of systole, the S2 sound signals its end and the start of ventricular diastole. Paradoxical (Reversed) Splitting The S2 heart sound, known

A2 and P2 are separated enough to be heard as two distinct sounds. ⚠️ Abnormal S2 Findings

Learn more Copy Creating a public link... Good response Bad response 12 sites Cardiac Second Heart Sounds - Stanford Medicine Cardiac Second Heart Sounds * Introduction to Second Heart Sounds. The cardiac second sound (the "dub") can be a source of some co... Stanford Medicine Heart Sounds Topic Review - Healio Heart Sounds Topic Review * Introduction. Heart sounds are produced from a specific cardiac event such as closure of a valve or te... Healio S2 Heart Sound - Easy Auscultation Feb 15, 2022 —