The patient shows no signs of trauma but is a poor historian so no further details are available. Do her vitals or ECG provide any clues to a Dx?
History of present illness: A woman in her mid-50s is transported from the streets to the emergency department (ED) after being found down without evidence of trauma in front of a business. She is a poor historian and is unsure if she might have fainted or just fallen asleep. She denies chest pain or other complaints but seems quite sleepy.
Vital signs and physical examination: