Related Questions

What is the relationship between cardiac ischemia and shortness of breath?

Uncertain. The exact mechanism by which cardiac ischemia causes dyspnea is unknown. There are a number of possible reasons including 1) increased pulmonary edema from poor heart function during ischemia (ie systolic dysfunction) 2) weakening of filling of the heart during relaxation (ie diastolic dysfunction) and 3) increased sensation of shortness of breath due to chest pain (angina). Read more...
Symptoms. Cardiac ischemia (lack of enough blood supply to a part of the heart muscle) can manifest as shorteness of breath (second most common symptom after chest pain). Read more...

Can cardiac ischemia cause arrhythmias? If so, how?

Yes. Cardiac ischemia causes lack of blood flow to the heart muscle and can trigger ventricular arrhythmia. Premature ventricular contraction is common. In severe cases, it can also lead to ventricular tachycardia ( consecutive fast heart beat from the ventricle of the heart). Sometimes with heart attack, fatal ventricular fibrillation (very fast irregular abnormal beats from ventricle) can occur. Read more...

Are cardiac ischemia and shortness of breath related?

Very possible. Shortness of breath often is a manifestation of cardiac ischemia. Although chest pain is a well known sign of cardiac ischemia , shortness of breath needs to be evaluated promptly. See your doctor. Read more...
Possible . While shortness of breath could represent coronary ischemia, this is not likely to be the only presenting symptom for coronary ischemia. If a patient presents with just shortness of breath, other ethologies such as underlying pulmonary issues, sinus issues, or hypertensive heart disease needs to be considered. Read more...

How reliable is an EKG as a predictive tool for cardiac ischemia?

Not. Does not predict, but shows rhythym, and evolving changes with ischemia, like in a stress test or myocardial, infarction. Read more...
Poor. It is neither sensitive nor highly specific. It's only one tool among many that doctors use. It's helpful for confirming a clinical suspicion if the history is suggestive and the ekg is either dramatically abnormal or changed from a previous tracing. Its value is increased when performed during the index symptom under evaluation. Read more...

Can you tell me the difference between cardiac ischemia and coronary heart disease?

Overlap. Cardiac ischemia can be the result of coronary artery disease, cad, the latter being a progressive disease that can result in plaque/cholesterol building up in the coronary arteries and these stenoses or blockages can impair blood flow to the heart.Ischemia is the condition of blood flow and so oxygen being kept from a part of the body; cardiac ischemia is when this deprivation occurs in heart. Read more...
Yes. Coronary heart disease leads to cardiac disease. Read more...
Ischemia. Is one of results of advanced CAD usually in blockages greater than 70% where the heart muscle is not getting enough blood flow with increased work load. Read more...