Signals during Valsalva and Muller maneuvers

Table of Contents

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details <https://www.gnu.org/licenses/>.

This code was developed by Miodrag Bolic for the book PERVASIVE CARDIAC AND RESPIRATORY MONITORING DEVICES: https://github.com/Health-Devices/CARDIAC-RESPIRATORY-MONITORING

% Changing the path from main_folder to a particular chapter
main_path=fileparts(which('Main_Content.mlx'));
if ~isempty(main_path)
    %addpath(append(main_path,'/Chapter2'))
    cd (append(main_path,'/Chapter4/Maneuvers'))
    addpath(append(main_path,'/Service'))
end
SAVE_FLAG=0; % saving the figures in a file

Plotting signals from PNEUMA

% This function plots the signal from the pneuma simulator stored in the

% file CARDIORESPIRATORY1.mat. The variables include: Time, State Drive SI, HR, ABP, Ppl, PaCO2,

% SaO2, Breathing Frequency BF, Tidal Volume Vt,

% Total Ventilatory Drive DTotal

load('CARDIORESPIRATORY1.mat', 'CARDIORESPIRATORY')

figure

plot(CARDIORESPIRATORY(1,:),CARDIORESPIRATORY(9,:))

xlabel('Time (s)')

ylabel('Tidal Volume (l)')

title('Tidal volume during Valsalva and Muller maneuvers')

annonation_save('a)',"Fig4.2a.jpg", SAVE_FLAG);

figure

plot(CARDIORESPIRATORY(1,:),CARDIORESPIRATORY(4,:))

xlabel('Time (s)')

ylabel('Blood pressure (mmHg)')

title('Arterial blood pressure during Valsalva and Muller maneuvers')

annonation_save('c)',"Fig4.2c.jpg", SAVE_FLAG);

figure

plot(CARDIORESPIRATORY(1,:),CARDIORESPIRATORY(3,:))

xlabel('Time (s)')

ylabel('Heart rate (bpm)')

title('Heart rate during Valsalva and Muller maneuvers')

annonation_save('d)',"Fig4.2d.jpg", SAVE_FLAG);

figure

plot(CARDIORESPIRATORY(1,:),CARDIORESPIRATORY(5,:))

xlabel('Time (s)')

ylabel('Ppl (mmHg)')

title('Pleural Pressure during Valsalva and Muller maneuvers')

figure

plot(CARDIORESPIRATORY(1,:),CARDIORESPIRATORY(6,:))

xlabel('Time (s)')

ylabel('PaCO_2 (mmHg)')

title('PaCO_2 during Valsalva and Muller maneuvers')

figure

plot(CARDIORESPIRATORY(1,:),CARDIORESPIRATORY(7,:))

xlabel('Time (s)')

ylabel('SaO_2 (%)')

title('SaO_2 during Valsalva and Muller maneuvers')

annonation_save('b)',"Fig4.2b.jpg", SAVE_FLAG);

% CARDIO#.mat Cardiovascular System Outputs: Time, Heart Period HP,

% Stroke Volume SV, Cardiac Output CO, TPR and ABP

load('CARDIO1.mat')

figure

plot(CARDIO(1,:),CARDIO(4,:))

xlabel('Time (s)')

ylabel('CO (l/min)')

title('Cardiac Output during Valsalva and Mueller maneuvers')

figure

plot(CARDIO(1,:),CARDIO(3,:))

xlabel('Time (s)')

ylabel('Stroke Volume SV')

title('Stroke Volume SV during Valsalva and Mueller maneuvers')