ACE3/addons/medical/functions/fnc_getCardiacOutput.sqf
2016-12-05 21:34:20 +01:00

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/*
* Author: Glowbal
* Get the cardiac output from the Heart, based on current Heart Rate and Blood Volume.
*
* Arguments:
* 0: The Unit <OBJECT>
*
* ReturnValue:
* Current cardiac output (liter per second) <NUMBER>
*
* Public: No
*/
#include "script_component.hpp"
/*
Cardiac output (Q or or CO ) is the volume of blood being pumped by the heart, in particular by a left or right ventricle in the CBA_missionTime interval of one second. CO may be measured in many ways, for example dm3/min (1 dm3 equals 1 litre).
Source: http://en.wikipedia.org/wiki/Cardiac_output
*/
// to limit the amount of complex calculations necessary, we take a set modifier to calculate Stroke Volume.
#define MODIFIER_CARDIAC_OUTPUT 19.04761
params ["_unit"];
if (_unit getVariable [QGVAR(inCardiacArrest), false]) exitWith { 0 };
private _bloodVolume = ((_unit getVariable [QGVAR(bloodVolume), DEFAULT_BLOOD_VOLUME]) / DEFAULT_BLOOD_VOLUME) * 100;
private _heartRate = _unit getVariable [QGVAR(heartRate), 80];
private _cardiacOutput = ((_bloodVolume / MODIFIER_CARDIAC_OUTPUT) + ((_heartRate / 80) - 1)) / 60;
(0 max _cardiacOutput)