PASSIVE OXYGENATION OF PATIENTS DURING CHEST COMPRESSIONS

Preživetje bolnikov, ki doživijo zastoj srca izven bolnišnice, je odvisno od mnogih dejavnikov. Posamezne celice v organizmu lahko preživijo, če vsak trenutek dobijo zadostno količino kisika in ostalih hranil. Le-teh pa v času zastoja srca ne dobijo. Znano je, da je potrebno zagotoviti zgodnje temeljne in dodatne postopke oživljanja, med katere spada tudi primerna oksigenacija oz. ventilacija. Ker prvi posredovalci običajno niso vešči primerne ventilacije, smo poizkušali ugotoviti vpliv pasivne oksigenacije bolnikov med izvajanjem temeljnih postopkov oživljanja. Pasivno oksigenacijo smo izvajali preko osnovnih pripomočkov za aplikacijo kisika (binazalni kateter in NRB maske). Namen magistrskega dela je bil ugotoviti vpliv pasivne oksigenacije z različnimi pripomočki na hemodinamske spremenljivke.Survival of patients who have suffered an out of hospital cardiac arrest depends on many factors. Individual cells in the organism only survive when they receive a sufficient amount of oxygen and other nutrients in any moment. During a cardiac arrest they lack of them. It is commonly known that early basic and advanced life support which include appropriate oxygenation and/or ventilation have to be ensured. Due to inappropriate ventilation of first responders the effect of passive oxygenation on patients during basic life support has been discussed in this Master\u27s thesis. Passive oxygenation has been performed through basic devices for oxygen application (binasal catheter and a non-rebreather mask). The purpose of this Master\u27s thesis was to investigate the influence of passive oxygenation using different devices to hemodynamic variables

Nemoteče spremljanje delovanja srca z optičnim senzorjem v postelji

Demographic trends suggest that by 2050 approximately 11 % of the world population will be 80 or older. If a fast increase of chronic diseases is also considered, it becomes clear the present healthcare capacities won\u27t be enough. The elderly and people with limited abilities must be assisted in their home environment and, thus, reduce needs for hospitalization and institutionalization. Today\u27s computer and communication technologies provide different smart devices, which is a core of emerging intensification of homecare services, in particular remote and unobtrusive monitoring of human functional- health parameters.Demografski trendi kažejo, da bo do leta 2050 približno 11 % svetovnega prebivalstva starejših od 80 let. Če dodamo še hitro naraščajoči obseg kroničnih bolezni, postane jasno, da sedanje zdravstvene zmogljivosti obremenitev ne bodo zdržale. Starejšim in ljudem z omejenimi sposobnostmi bo treba pomagati, da bodo čim dlje ostali samostojni v svojem domačem okolju, in tako omejiti hospitalizacije ter nujnost oskrbe v zdravstvenih zavodih. Današnje računalniške in komunikacijske tehnologije ponujajo pametne naprave, ki bodo kmalu omogočile bistveno intenziviranje zdravstvenih storitev na domu, predvsem kot nemoteče nadziranje parametrov funkcionalnega zdravja na daljavo

Unobtrusive monitoring of human vital functions based on speckle interferometry with plastic optical fiber

In this paper, a speckle interferometer with a plastic optical fiber system is reported for unobtrusive monitoring of heartbeat and respiration. The sensor consists of a laser diode butt-coupled to the plastic optical fiber, whose exit face projects speckle patterns onto a linear optical sensor array, which leads to a simple and cost-effective construction. Speckle images are acquired in a sequence and transformed into a 1D signal by using a phase-shifting method. Band-pass filtering and Morlet-wavelet-based multiresolutional approaches were used to analyze signals for the detection of cardiac and respiratory activities, respectively. Ten young, healthy persons participated in system testing, by lying supine on a mattress with embedded plastic optical fiber. Experimental results show the proposed system and detection algorithms are highly efficient. Sensitivities of 99.4 0.6% and 95.3 3%, precisions of 98.8 1.5% and 97.9 2.3%, and mean delays between interferometric detections and corresponding referential signals of 116.6 55.5ms and 1299.2 437.3 ms were computed for heartbeat and respiration, respectively