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DREjection Fraction estimation at the bedside using EPSS.
EPSS (E-point septal separation) is the distance between the anterior mitral valve leaflet (E-point) and the interventricular septum on M-mode echo.
🔍 How it works
• Obtain parasternal long-axis (PLAX) view
• Place M-mode cursor through mitral valve tips
• Measure the minimum distance between E-point and septum
📊 Interpretation
• EPSS < 7 mm → Normal LV systolic function
• EPSS > 7 mm → Reduced EF
• Higher EPSS = Lower EF
As a rough guide:
👉 EF ≈ inversely proportional to EPSS
🧠 Clinical Use
• Rapid assessment in shock, dyspnea, ICU/ER
• Helpful when formal echo is not immediately available
• Best used as a screening tool, not a replacement for full echo
⚠️ Limitations
• Not reliable in mitral valve disease
• Altered in LV hypertrophy or regional wall motion abnormalities
• Always correlate with clinical context
📌 Fast. Simple. Bedside.
📌 Save this for emergency duty.
#Echocardiography
#PointOfCareUltrasound
#EmergencyMedicine
#CriticalCare
#medicaleducation
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