ECMO Flow and cannula selection

Inputs
Population
Type
Results
Body Surface Area (BSA)
—
Mosteller: √((Height × Weight) / 3600)
Full Flow (100%)
—
Population factor applied
VA (80%)
—
0.80 × Full Flow
VV (66%)
—
0.66 × Full Flow
Auto-calculates as you type or change options.
Pediatric blood flow
mL/kg/min (auto-calculated by weight)
Range (mL/kg/min) Flow for this weight (L/min)
Rows are not auto-highlighted. Hover effect only.
Reference Tables
Tables switch with Type selection.

Peripheral Percutaneous Femoral

CategoryRecommendation
VenousFlow L/min at Venous Pressure ≈ −100 mmHg
15 Medtronic≈ 2.0 L/min
17 Medtronic≈ 2.5 L/min
19 Medtronic≈ 3.5 L/min
21 Medtronic≈ 4.5 L/min
23 Medtronic≈ 6.0 L/min
≥25 Medtronic> 6.0 L/min
ArterialFlow L/min at Arterial Pressure ≈ +60 mmHg
15 Medtronic≈ 3.0 L/min
17 DLP≈ 4.0 L/min
18 EOPA≈ 3.5 L/min
20 EOPA≈ 4.5 L/min
22 EOPA> 5.5 L/min
24 EOPA> 5.5 L/min

Maquet Avalon cannula

Flow at −100 mmHg (L/min) Size (Fr) At < −200 mmHg (guidance)
0.513 FrUp to 0.75 L/min → move to 16 Fr
0.7516 FrUp to 1.2 L/min → move to 19 Fr
1.219 FrUp to 1.7 L/min → move to 23 Fr

HLS Venous Cannulas

Flow at −100 mmHg (L/min) Size (Fr) At < −200 mmHg (guidance)
1.220 Fr—
1.723 FrUp to 2.7 L/min → move to 27 Fr
2.727 FrUp to 4.00 L/min → move to 31 Fr
4.031 FrUp to 5.5 L/min → move to femoral cannulation

Central Cannulation

WeightVenous (−100 mmHg)Arterial (+120 mmHg)
≤ 2 kg12 DLP — 1.5 L/min (1/4″)8 Medtronic — up to 0.75 L/min
2–3.9 kg14 DLP — 2.5 L/min (1/4″)8 Medtronic — up to 0.75 L/min
4–5.9 kg16 DLP — 3 L/min (1/4″)8 Medtronic — up to 0.75 L/min
6–6.9 kg16 DLP — 3 L/min (1/4″)10 Medtronic — up to 1.5 L/min
7–9.9 kg18 DLP — 4 L/min (1/4″)10 Medtronic — up to 1.5 L/min
10–12 kg20 DLP — 4.5 L/min (1/4″)12 Medtronic — up to 2.5 L/min
13–14 kg20 DLP — 5.5 L/min (3/8″)14 Medtronic — up to 3 L/min
15–18 kg22 DLP — > 6 L/min (3/8″)14 Medtronic — up to 3 L/min
19–25 kg24 DLP — > 6 L/min (3/8″)16 Medtronic — > 4 L/min
26–35 kg26 DLP — > 6 L/min (3/8″)18 EOPA — up to 3 L/min
36–40 kg28 DLP — > 6 L/min (3/8″)18 EOPA — up to 3 L/min
41–45 kg28 DLP — > 6 L/min (3/8″)18 EOPA — up to 3 L/min
46–50 kg31 DLP — > 6 L/min (3/8″)20 EOPA — up to 4.5 L/min
≥ 51 kg32 DLP — > 6 L/min (3/8″)22 EOPA — up to 6 L/min
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