Table 1 List of variables
Oxygenation and ventilation | Cardiovascular | AMS (acute mountain sickness) and neurology | Other |
|---|---|---|---|
Ventilation (VE) | Hypoxic cardiac response (HCR) | Postural stability | Sweat rates |
Tidal volume (VT) | Forced vascular conductance | ||
Lake Louise AMS scores | Oesophageal temperature thresholds for increasing forearm skin vascular conductance | ||
Respiratory rate (Bf) | Heart rate variability (LH/HF) | ||
Exhaled nitric oxide (NO) levels (exNO) | Oesophageal temperature thresholds for increased sweat rate | ||
Heart rate (HR) | |||
Oesophageal temperature | |||
End tidal partial pressure of oxygen (PetO2) | Stroke volume (SV) | Skin temperature | |
Urine volume | |||
Cardiac output (CO) | Plasma volume | ||
End tidal partial pressure of carbon dioxide (PETCO2) | Glomerular filtration rate (GFR) | ||
Plasma potassium concentration (plasma K+) | |||
Plasma sodium concentration (plasma Na+) | |||
Blood pressure (BP) | |||
Plasma renin activity | |||
Plasma aldosterone | |||
Alveolar ventilation (VA) | Free water clearance | ||
Adrenocorticotropic hormone (ACTH) | |||
Volume of CO2 produced (VCO2) | |||
Anti-diuretic hormone (ADH) | |||
Anti-naturetic protein (ANP) | |||
Blood base excess | |||
Urine sodium-potassium ratio (urine Na+/K+) | |||
Volume of oxygen consumed (VO2) | |||
Catecholamines, plasma osmolarity | |||
PH | |||
End tidal fraction of oxygen (FetO2) | Urine osmolarity | ||
Plasma lactate levels | |||
Blood NO metabolites | |||
Glutathione peroxidase (GPX) | |||
MDA | |||
Nitrotyrosine | |||
End tidal fraction of oxygen (FetCO2) | Plasma advanced oxidation protein products and superoxide dismutase | ||
Duration of inspiration and expiration | Haematocrit (Hct) | ||
Haemoglobin concentration (Hb conc) | |||
Hypoxic ventilatory response (HVR) | |||
Respiratory quotient (RQ) | |||
Peripheral oxygen saturations (SpO2) | |||
Arterial oxygen saturations (SaO2) | |||
Arterial oxygen and carbon dioxide partial pressure (PaO2) (PaCO2) | |||
Arterial oxygen content | |||
Alveolar-arterial PO2 difference |