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Myocardial infarction (MI) can lead to heart failure in numerous ways. First of all, early on, the heart muscle does not contract well because it is not receiving enough oxygen and other necessary substrates, so stroke volume is decreased, which may lead to congestive heart failure. Later on, if the MI is aborted with thrombolytics or with a cardiac catheterization and thrombectomy, the myocardium may be stunned, or hibernating, because of the lack of oxygen, and may return to normal function over time. If the MI completes, the portion of cardiac muscle that was affected is dead. Depending on how significant a portion that is, losing the muscle alone may result in heart failure. The dead portion of the heart will later turn into a scar, which is noncontractile and also does not allow for the normal stretch, so it may affect preload and contractility in that way as well, decreasing cardiac output and possibly leading to congestive heart failure.
What else can I help you with?
What damage does a heart attack cause?
A heart attack or myocardial infarction (MI) can cause damage by brain damage, can lead to stokes, and also have the risk of having a seconf MI.
Can Cor pulmonale lead to heart failure?
This condition can lead to heart failure
What is the medical term meaning damage to the heart muscle caused by a thrombus blocking a coronary artery?
Coronary thrombosis can lead to myocardial infarction, or damage to the heart muscle.Myocardial infarct....Myo- means muscle.Cardial refers to the heart.Infarction is the death of tissue due to the lack of blood supply.HL
Is weightlifting a cause of heart failure?
No not at all, if you take steroids they can lead to heart failure.
What is the purpose of the coronary artery and what results is there is blockage in this vessel?
The coronary artery is the one which brings blood to the heart. When this is blocked, the heart is unable to pump due to lack of oxygen, and after a couple minutes the area of the heart that is receiving no blood dies. This is known as a myocardial infarction, or more commonly, a heart attack.
When you have cholesterol could your heart stop?
No, but it can lead to heart failure. In essence it doesn't literally "stop" your heart but It clogs many of the major arteries and causes hypertension (high blood pressure) which then puts a lot of pressure on your heart, which can lead to Heart Failure (cardiac arrest) or heart attack (acute myocardial infarction)
Myocardial infarctions result from?
Myocardial Infarctions, or heart attacks, can be caused by obesity. A fatty diet or lack of regular exercise can lead to a higher chance of a myocardial infarction.
Advanced atherosclerosis could likely lead to?
Myocardial infarction
What happens when coronary circulation is prevented in humans?
Preventing coronary circulation in humans can lead to a heart attack or myocardial ischemia, which occurs when the heart muscle is deprived of oxygen and nutrients. This can result in chest pain, shortness of breath, and damage to the heart muscle. In severe cases, it can lead to heart failure or even death.
What damage does a heart attack cause?
A heart attack or myocardial infarction (MI) can cause damage by brain damage, can lead to stokes, and also have the risk of having a seconf MI.
What happens to the heart from lack of oxygen?
Lack of oxygen to the heart can lead to chest pain (angina) or a heart attack (myocardial infarction). Without enough oxygen, the heart muscle can become damaged, leading to potential complications such as arrhythmias or heart failure. Immediate medical attention is necessary to address the underlying cause and prevent further damage to the heart.
What effect does tachycardia have?
When the heart beats too rapidly, it pumps less efficiently and blood flow to the rest of the body, including the heart itself is reduced. The higher-than-normal heartbeat means there is an increase in demand for oxygen by the myocardium (heart muscle) - if this persists it can lead to myocardial infarction (heart attack), caused by the dying off of oxygen-starved myocardial cells.
Is anterior infarct detremental?
Yes, an anterior myocardial infarction can be significant and detrimental as it usually signifies damage to the front part of the heart muscle supplied by the left anterior descending coronary artery. This can lead to issues such as heart failure, arrhythmias, and in severe cases, sudden cardiac death. Treatment and management are crucial to prevent complications and improve outcomes.
What can Heart Failure lead to?
Heart Failure can lead to heart disease,heart attack and death.
What occurs when the heart muscle is deprived of oxygen?
When the heart muscle is deprived of oxygen, it can lead to a condition called ischemia, which can result in chest pain (angina) or a heart attack (myocardial infarction). This oxygen deprivation can be caused by blockages in the coronary arteries, leading to reduced blood flow to the heart muscle.
What does myocardial cell injury mean?
Myocardial cell injury refers to damage or harm to the cells that make up the heart muscle (myocardium). This can be caused by various factors such as lack of oxygen, toxins, inflammation, or physical trauma. Myocardial cell injury can lead to heart conditions such as heart attacks or heart failure.
What has the author Leo Schamroth written?
Leo Schamroth has written: 'The electrocardiology of coronary artery disease' -- subject(s): Coronary heart disease, Electrocardiography, Myocardial infarction 'The 12 Lead Electrocardiogram' -- subject(s): Electrocardiography
