Dizziness and Sweating: Causes, Conditions & When to See a Doctor

Hypoglycemia is low blood sugar, typically below 70 mg/dL. Most common in people with diabetes, it causes rapid neurological and adrenaline-driven symptoms requiring prompt treatment.

Aortic dissection is a life-threatening emergency in which the inner layer of the aorta tears, allowing blood to surge between the vessel walls. It typically presents with sudden, severe tearing or ripping chest or back pain radiating to the back, and requires immediate surgical evaluation.