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.
On the other hand, asthma is an ongoing chronic condition that has acute flare ups and chronic pulmonary insufficiency due to airway reactions that cause the bronchial tubes to be partially obstructed. This results in shortness of breath, chronic cough, frequent chronic bronchitis, chronic pneumonia and wheezing.
Thus, shortness of breath can be considered as an extension of the dyspnea. The key difference between dyspnea and shortness of breath is that dyspnea is the uncomfortable need to breathe whereas shortness of breath is increased rate of respiration in order to meet the oxygen demand of the body. CONTENTS. 1. Overview and Key Difference 2. What is Dyspnea