Thread by @athakkarMD

#EchoBoardPrep #Echofirst #ACCFIT #AHAFIT

Pulmonary Vein Doppler
⚡️TTE: Find on A4C

⚡️TEE: Right veins at 45 and left veins at 120 (Watch: )

⚡️Flow components: S1, S2, D, A

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https://twitter.com/HeartToProve/status/1131388767846227968

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PV flow patterns #EchoBoardPrep
⚡️Healthy: S>D
⚡️Diastolic dysfunction, normal filling pressure: S>D
⚡️High LV filling pressure: D>S

A: Grade 1 diastolic dysfunction, B: Pseudonormal pattern, C: Restrictive filling

From: onlinejacc.org/content/41/8/1…

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PV flow patterns #EchoBoardPrep
⚡️A: Restrictive cardiomyopathy: No resp variation
⚡️B: Constriction: Resp variation+

From: onlinejacc.org/content/41/8/1…

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PV flow patterns #EchoBoardPrep
⚡️Significant mitral regurgitation: Systolic blunting or reversal

From: onlinejacc.org/content/41/8/1…

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PV flow patterns #EchoBoardPrep
⚡️PV stenosis: velocity > 50-70 cm/sec, 2-5 months post PV isolation

From: onlinejacc.org/content/41/8/1…

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Other PV flow patterns #EchoBoardPrep
⚡️AFib: Loss of S1