Cameron S Guild MD

What is ischemia?Ischemia is the medical term used to describe a lack of blood flow to certain organs or body parts. Since the blood carries oxygen and other necessary nutrients to parts of the body, when blow flow is reduced these body parts do not receive the adequate amount of oxygen and...

Our heart rate is automatically controlled by the autonomic nervous system (ANS) that has two divisions: sympathetic and parasympathetic. The part of the ANS that is responsible for raising a person’s heart rate through the sympathetic plexus is the sympathetic division. The parasympathetic...

Atrial fibrillation refers to irregular heart rhythm with rapid heartbeat that affect the blood flow in the body.  In this condition, the irregular heartbeat starts in the upper chambers of the heart, the atria. The irregularity in the heart beat results from the problem in the electrical system of...

A recent study has shown that some of the genes present in the Y chromosome increases the chances of heart disease by as much as 50%. Men inherit a higher risk of cardiovascular diseases directly from their fathers. This adds to the increasing evidence as to why men are more susceptible to heart...

As men age, their risk of heart attack rises, especially if they are prone to anxiety. In a 12-year study, anxiety was found to increase the risk of heart attack by 30% to 40% in men who are anxious when compared to men who are calmer, irrespective of other personality and risk factors. In this...

What is lightheadedness?Lightheadedness or feeling faint may not always be a cause for concern. However, it may also indicate an underlying health problem and can increase the risk of falling and fall-related injuries. If you feel lightheaded, drink water or fluids containing electrolytes and take...