Myxedema coma frequently in obese elderly woman Yellowish skin Large tongue Thin hair Bradycardia Marked hypothermia Lethargy progressing to stupor or coma Hypoventilation Hypotension ShockMyxedema coma Frequently in obese elderly woman Yellowish skin Large tongue Thin hair Bradycardia Marked hypothermia Lethargy progressing to stupor or coma Hypoventilation Hypotension Shock