The draining lava left long, tube-like caverns. Of the four caves in this particular cluster, only Boyd Cave is now open to hikers. Arnold Ice Cave is filled with ice. Skeleton and Wind Cave were open to hikers until 2007, when they were gated closed to prevent vandalism and protect hibernating bats.
Dyspnea is translated from medical terminology to mean difficult breathing, where some disease, reaction, or other stimulant has caused breathing to be obstructed or otherwiseâ¦ uneasy. Apnea means lack of or stopped breathing.
It is frequently described in terms of air hunger, choking, or heavy breathing, and it can be extremely distressing for families and caregivers to witness. The word dyspnea is derived from the Greek dys, meaning hard, and pnoia, meaning breathing..