IoT	Internet of Things
IoE	Internet of Everything
ARDS	Acute respiratory distress syndrome
AI	Artificial intelligence
ML	Machine learning
DL	Deep learning
PPG	Photoplethysmography
ECG	Electrocardiogram
EMG	Electromyogram
HR	Hear rate
RR	Respiratory rate
HRV	Heart rate variability
WHO	World health organization
5G	Fifth generation
FDA	Food and Drug Administration
LSTM	long short-term memory