Middle East Critical Care Assembly

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Cardiac Indices

Parameters
Height (cm)		Weight (Kg)
Heart rate		FiO2 (21-100)
Systolic blood prssure		PaO2
Diastolic blood pressure		PCO2
Pulmonary artery systolic pressure		Arterial O2 saturation (<1)
Pulmonary artery diastolic pressure		PvO2
Pulmonary artery wedge pressure		Mixed venous O2 saturation (<1)
Central venous pressure		Hemoglobin
Cardiac output


Results
Mean arterial pressure (MAP)		Systemic vascular resistance index: 1400-2400 dyn.sec/cm⁵/m²
Mean pulmonary pressure (MPAP)		Pulmonary vascular resistance index : 150-250 dyn.sec/cm⁵/m²
Cardiac index (CI): 2.5-3.6 L/min/m²		Stroke index: 40–60 ml/beat/m²
LV stroke index (LVSWI): 50-60 g/m²/beat		RV stroke index (RVSWI): 5-10 g/m²/beat
Arterial oxygen content17-20 ml/100 ml:		Mixed venous O2 content: 12-15 ml/100 ml
Oxygen delivery index: 550-750 ml/min/m²		Oxygen consumption index: 115-160 ml/min/m²
Body surface area		Shunt percentage: 5-15%
A-a Gradient: 5-10		O2 _extraction ratio:0.24-0.4

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Body Surface Area Calculator

Parameters
Body Weight		Kilograms
Body Height		Centimeters
Body surface area		square meters

BSA = Sqrt of [Wt (kgs) x Ht (cms)/3600]

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Mean Arterial Pressure Calculator

Blood Pressure
SBP	DBP

MAP mm Hg

Mean Arterial Pressure is calculated with the formula:
SBP+2(DBP)/3 and expressed in mm Hg

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Systemic Vascular Resistance Calculator

Parameters
SBP	DBP
CVP	CO

SVR dynes/sec x cm^-5

SVR = [(MAP -CVP)/CO]*80 dynes/sec x cm^{-5

Normal: 900-1200 dynes/sec x cm^-5}

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Pulmonary Vascular Resistance

Parameters
SPAP	DPAP
PCWP	CO

PVR dynes/sec x cm^-5

PVR = [(MPAP -PAOP)/CO]*80 dynes/sec x cm^{-5

Normal: 150-250 dynes/sec x cm^-5}

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Hemodynamic Formulas: