1. VMAP
  2. Data
  3. Data Dictionary
  4. Cardiac Imaging
  5. Cardiac Structure and Function -- Echocardiogram
  6. Echo - Stroke Volume
Brain MRI: Cerebral Blood Flow (CBF) ROI -- PCASL Brain MRI: Cerebral Small Vessel Disease Markers Brain MRI: Grey Matter Volume (T1) Brain MRI: White Matter Hyperintensities (FLAIR) Diffusion Tensor Imaging
Cardiac Strain -- MRI Cardiac Structure and Function -- Echocardiogram Cardiac Structure and Function -- MRI
Demographics Medical History record_info
Cognitive Complaint Module Neuropsychological Assessment
Blood-based Research Biomarkers Cerebrospinal Fluid (CSF) Research Biomarkers
APOE Genotype


Variable: echo_lv_stroke_volume

Description: Echo - Stroke Volume


Unit: mL


Derivation:

`3.14159 * ((echo.lvot / 2)^2) * echo.lvot.vti`


Distribution:

  • Epoch 1 = baseline
  • Epoch 2 = 18-month
  • Epoch 3 = 3 years
  • Epoch 4 = 5 years
  • Epoch 5 = 7 years
  • Epoch 6 = 9 years
406080100120140160180010203040506070Epoch 1
406080100120140160180010203040506070Epoch 2
406080100120140160180010203040506070Epoch 3
406080100120140160180010203040506070Epoch 4
406080100120140160180010203040506070Epoch 5
406080100120140160180010203040506070Epoch 6
Cardiac Structure and Function -- Echocardiogram