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Cardiac arrest is not preceded by any warning symptoms in approximately 50 ... over the age of 70 who have a cardiac arrest while ... greater in men (12.3 ...
Bradycardia may be associated with symptoms of fatigue, dyspnea, dizziness, confusion, and frank syncope due to reduced forward blood flow to the brain, lungs, and skeletal muscle. [6] The types of symptoms often depend on the etiology of the slow heart rate, classified by the anatomic location of a dysfunction within the cardiac conduction ...
Sudden cardiac death is the cause of about half of deaths due to cardiovascular disease and about 15% of all deaths globally. [12] About 80% of sudden cardiac death is the result of ventricular arrhythmias. [12] Arrhythmias may occur at any age but are more common among older people. [4]
Research shows men are more likely than women to avoid—or delay—necessary medical care, even when their symptoms disrupt their lives or become chronic. An online survey conducted by the ...
Unlike cardiac arrest, a heart attack is a circulation problem. When circulation is blocked or cut off in some way and blood is no longer supplied to the heart muscle, this can damage that muscle ...
Among those over 75 years old, about 5% have had an MI with little or no history of symptoms. [12] An MI may cause heart failure, an irregular heartbeat, cardiogenic shock or cardiac arrest. [3] [4] Most MIs occur due to coronary artery disease. [3]
Prior to cardiac arrest, patients may complain of varying symptoms depending on the underlying cause. Patients may exhibit signs of agonal breathing, which to a layperson can look like normal spontaneous breathing, but is a sign of hypoperfusion of the brainstem. [citation needed]
Symptoms include chest pain or angina, shortness of breath, and fatigue. [6]A completely blocked coronary artery will cause a heart attack. [6] Common heart attack symptoms include chest pain or angina, pain or discomfort that spreads to the shoulder, arm, back, neck jaw, teeth or the upper belly, cold sweats, fatigue, heartburn, nausea, shortness of breath, or lightheadedness.
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