Final answer:
The main medical result of a collapse can include loss of consciousness, cardiac arrest, and long-term neurological problems.
Step-by-step explanation:
The main medical result of the collapse described in the question can vary depending on the context of the collapse. However, some possible medical results of a collapse include a loss of consciousness, cardiac arrest, and long-term neurological problems. These symptoms can be caused by various underlying conditions such as low blood pressure, spontaneous pneumothorax (collapsed lung), or even trauma to the neck.