This forum is for questions and support regarding neurology issues such as:
Alzheimer's Disease,
ALS,
Autism, Brain Cancer,
Cerebral Palsy, Chronic Pain,
Epilepsy,
Fibromyalgia, Headaches, MS, Neuralgia, Neuropathy, Parkinson's Disease, RSD, Sleep Disorders,
Stroke, Traumatic Brain Injury
Based on your presentation, it would probably be of neurological relation rather than cardiovascular.
Do you experience this aside from when you sneeze or cough? Does straining or exerting yourself lead to this symptom?
If you are concerned about this, you could opt to consult a neurologist and have a complete neurologic examination done.