TO ALL ENLISTED : GET PULSE OXIMETRY LOGS, OF PATIENTS : AT REST/ASLEEP, LAYING DOWN, SITTING, AFTER EATING DINNER, BEFORE EATING DINNER, AND STANDING :

https://www.medscape.com/answers/163062-86276/how-is-pulse-oximetry-used-for-the-diagnosis-of-heart-failure

https://www.revespcardiol.org/en-pulse-oximetry-in-diagnosis-acute-articulo-S1885585712001570

GET ALL BROUGHT TO PULMONOLOGISTS, FOR SUPPLEMENTAL OXYGEN MASKS, FOR 9 HOURS/WHILE SLEEPING.

https://www.ncbi.nlm.nih.gov/m/pubmed/22766468/

MOST ALSO NEED THAT OXYGEN MASK ON, FOR AT LEAST 12 HOURS/DAY, WHILE NOT SLEEPING TOO.

https://www.webmd.com/heart-disease/heart-failure/what-is-oxygen-therapy-for-heart-failure

RULE OUT NOCTURNAL HYPOXEMIA, AND/OR SLEEP APNEA, IN ALL PATIENTS :

https://www.hindawi.com/journals/sd/2014/978358/

HAVE ALL ISSUED THREE QUANTITY OF EACH ITEM : THE PULSE OXIMETRY DEVICE, PULSE RATE MONITOR, AN EAR THERMOMETER, A STETHOSCOPE, A BODY WEIGHT SCALE, AND A BLOOD PRESSURE MONITOR.

https://www.healthline.com/health/pulse-oximetry#procedure