From the echocardiographic images:
LVOT diameter (D) = 2.56 cm
LVOT area (A) = π × (D/2)² = 3.14 × (1.28)² ≈ 5.15 cm²
LVOT VTI = 11.8 cm
Heart rate (HR) = 61 bpm
Stroke Volume (SV):SV = LVOT area × LVOT VTI = 5.15 × 11.8 = ≈ 60.8 mL
Cardiac Output (CO):CO = SV × HR = 60.8 × 61 = ≈ 3.7 L/min
CI ≈ 2.1 L/min/m²
26 Views