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Cardiac output is the volume of blood pumped per minute. It's calculated from heart rate and stroke volume, crucial for shock assessment.
ସୂତ୍ର
Calculate: CO = HR × SV (in mL)
- CO
- CO/BSA — CO/BSA
- HR
- HR value — Variable used in the calculation
- SV
- SV value — Variable used in the calculation
ଷ୍ଟେପ୍-ଷ୍ଟେପ୍ ଗାଇଡ୍ |
- 1Calculate: CO = HR × SV (in mL)
- 2Normal CO ≈ 5 L/min; normalize to body surface area: CI = CO/BSA
- 3Normal CI ≈ 2.5-3.5 L/min/m²
ସମାଧାନ ହୋଇଥିବା ଉଦାହରଣ
ଇନପୁଟ୍
HR 100, SV 50 mL
ଫଳ
CO = 5 L/min (normal)
Normal cardiac output
ଏଡ଼ାଇବା ଯୋଗ୍ୟ ସାଧାରଣ ଭୁଲ
- ✕Confusing cardiac output with blood pressure
- ✕Using SV values from different populations without BSA normalization
ବାରମ୍ବାର ଜିଜ୍ଞାସା
What decreases cardiac output?
Decreased heart rate, decreased stroke volume (due to reduced preload, afterload, or contractility).
How is stroke volume measured?
Echocardiography, cardiac catheterization, or non-invasive methods. Not directly measured from vital signs.
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