Diagnostic pulmonology

fraction of oxygen-saturated hemoglobin relative to total hemoglobin in the blood

Polysomnography (PSG) is a multi-parameter type of sleep study and a diagnostic tool in sleep medicine. The test result is called a polysomnogram, also abbreviated PSG. The name is derived from Greek and Latin roots: the Greek πολύς (polus for "many, much", indicating many channels), the Latin somnus ("sleep"), and the Greek γράφειν (graphein, "to write").

Capnography is the monitoring of the concentration or partial pressure of carbon dioxide () in the respiratory gases. Its main development has been as a monitoring tool for use during anesthesia and intensive care. It is usually presented as a graph of (measured in kilopascals, "kPa" or millimeters of mercury, "mmHg") plotted against time, or, less commonly, but more usefully, expired volume (known as volumetric capnography). The plot may also show the inspired , which is of interest when rebreathing systems are being used. When the measurement is taken at the end of a breath (exhaling), it is

diagnostic method of the lower respiratory system in which a bronchoscope is passed through the mouth or nose into an appropriate airway in the lungs, with a measured amount of fluid introduced and then collected for examination

medical procedure

{|class="wikitable" align="right" |- !colspan=2| CURB-65 |- ! Symptom !! Points |- | Confusion ||style="text-align:center;"|1 |- | BUN>7&nbsp;mmol/L (19&nbsp;mg/dL)||style="text-align:center;"|1 |- | Respiratory rate≥30 ||style="text-align:center;"|1 |- | BP: S<90mmHg, D≤60mmHg||style="text-align:center;"|1 |- | Age≥65 ||style="text-align:center;"|1 |}

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