Which symptom is associated with DCS Type 2?

DCS Type 2, or Decompression Sickness Type 2, is characterized by neurological symptoms and is often associated with a more significant impact on the central nervous system compared to Type 1. Numbness or tingling is a classic symptom of Type 2 DCS, indicating potential peripheral nerve involvement or spinal cord issues due to gas bubbles obstructing blood flow or causing direct tissue damage.

When discussing the mechanisms behind this, it's important to recognize that during a dive, nitrogen can dissolve into the tissues and, if ascent from the dive is too rapid, nitrogen bubbles can form. In Type 2 DCS, these bubbles can particularly affect the nervous system, leading to symptoms like numbness, tingling, weakness, or even paralysis.

The other symptoms mentioned, while potentially related to other conditions, do not specifically align with the neurological symptoms seen in Type 2 DCS. For example, swelling of lymph nodes is more indicative of infection or inflammation rather than decompression sickness. Increased heart rate can occur in various situations related to stress or anxiety but is not specific to DCS Type 2. Sudden onset fatigue, while a common complaint in many medical conditions, is not particularly defined within the context of DCS Type 2,