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left atrium

"The exercise stress echo was negative for ischemia at 96% of MPHR (13.7 METS). Good functional capacity for age and gender. The left venticle is normal in size. Left ventricular systolic function is normal. EF=65 +_ 5%. Baseline left ventricular diastolic function is normal.The right ventricle is normal in size. Right ventricular systolic function is normal. Left atrial cavity is moderately dilated." Everything is normal(including valves) except for left atrial volume 73.2 ml (Area-Length) with indexed value 35.3 ml/m2. What causes above? Should person worry about above left atrial volume or stop exercizing, eventhough there are no symptoms , like atrial fibriation, extra beats or irregular heart beats. BP at rest 125/80 and at Bruce stress echo stage 4, 170/80. Also just curious what are upper normal limits for LV  ID (diastole) (m-mode) and  E/e' average  at rest and stress for average adult male? Thank you.

1 Responses
Avatar universal
MEDICAL PROFESSIONAL
Your echo results are NORMAL. You had no ischemia with good functional capacity. This is all excellent news. You also had normal systolic (pumping) and diastolic (relaxing) function.

There are many things that can affect your left atrial volume. These include (but not an exhaustive list) hypertension, atrial fibrillation, mitral valve regurgitation, mitral valve stenosis, diastolic dysfunction, systolic dysfunction to name a few.

E/e' normal values are <8. This is true for rest and stress.
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