…can cause: difficulty concentrating irritability or abnormal behaviour slurred speech visual disturbance confusion focal neurological signs drowsiness or unconsciousness seizures coma The symptom threshold varies…

…struggling may be about to stop breathing. Diminishing wheeze means improvement only if air entry, speech, work of breathing, level of consciousness and PEF improve…

…fever threshold, since a device set at the fever threshold is always behind. Indications A patient who remains unconscious (with no meaningful response to speech…

…speed of sound, thus forming a sound wave. A familiar example is human speech. Humans speak by setting their vocal cords in motion. When vocal…

…hallucinations More easily detected, but accounts for a minority of cases Hypoactive Lethargy, slow responses, reduced speech, immobility, poor food intake, reduced eye contact Common…