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The major tissues affected are nerves and muscles, where irreversible damage starts to occur after 4–6 hours of cessation of blood supply. [4] Skeletal muscle, the major tissue affected, is still relatively resistant to infarction compared to the heart and brain because its ability to rely on anaerobic metabolism by glycogen stored in the cells may supply the muscle tissue long enough for ...
Coronary sinus thrombosis as a severe complication after procedures. [8] The coronary sinus is the venous counterpart to the coronary arteries, where de-oxygenated blood returns from heart tissue. A large thrombus here slows overall blood circulation to heart tissue as well as may mechanically compress a coronary artery. [8]
Infarction occurs as a result of prolonged ischemia, which is the insufficient supply of oxygen and nutrition to an area of tissue due to a disruption in blood supply.The blood vessel supplying the affected area of tissue may be blocked due to an obstruction in the vessel (e.g., an arterial embolus, thrombus, or atherosclerotic plaque), compressed by something outside of the vessel causing it ...
Swelling of the legs may also be linked to cardiac events — especially if there is also an underlying heart condition or risk factors such as obesity, diabetes or a family history of heart ...
Cardiomyopathy is a group of primary diseases of the heart muscle. [1] Early on there may be few or no symptoms. [1] As the disease worsens, shortness of breath, feeling tired, and swelling of the legs may occur, due to the onset of heart failure. [1]
PAD happens when the arteries that carry blood to the legs and feet become narrowed or clogged with fatty deposits or plaque, causing poor circulation. Savvy Senior: How leg pains could be an ...
Feeling tired, leg swelling, shortness of breath, chest pain, fainting [2] Complications: Heart failure, irregular heartbeat, sudden cardiac death [3] [4] Causes: Genetics, Fabry disease, Friedreich's ataxia, certain medications [5] [6] Diagnostic method: Electrocardiogram, echocardiogram, stress testing, genetic testing [7] Differential diagnosis
All of these mechanisms make POTS patients' hearts work harder to cause the same response: increased heart rate after a few minutes of standing and not enough blood flow to the brain.