Inflamed Heart, (Myocarditis) A Simple Guide To The Condition, Diagnosis, Treatment And Related Conditions

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This book describes Inflamed Heart (Myocarditis), Diagnosis and Treatment and Related Diseases Love is an inflamed heart but not in this book! What is Inflamed Heart (Myocarditis)? Myocarditis is the inflammation of the heart muscle. Myocarditis is acute or chronic inflammation of the myocardium - and may manifest in a similar way to myocardial infarction. Causes Most of the time, it is produced by an infection that reaches the heart. When the patient has an infection, the immune system produces special cells to fight off disease. When the infection involves the heart, the disease-fighting cells go into the heart. The chemicals made by these cells can also injure the heart muscle. As a consequence, the heart can become thick, swollen, and weak. Many cases are induced by a virus that reaches the heart. Infection Viral infection is the most frequent cause of acute myocarditis Coxsackievirus is the most frequent viral cause in Europe and the USA Most viruses are potential agents, such as influenza (flu) virus, adenovirus, parvovirus B19, enteroviruses, cytomegalovirus, HIV, Epstein-Barr virus and hepatitis A and hepatitis C. Worldwide the most frequent bacterial cause is diphtheria. It may also be produced by bacterial infections such as Lyme disease, streptococcus, mycoplasma, and chlamydia. There are also spirochetal, fungal, parasitic and rickettsial causes. The protozoal Chagas' disease is a common entity worldwide Other causes of myocarditis are: a. Autoimmune disorders that cause inflammation throughout the body 1.Sarcoidosis. 2.Systemic lupus erythematosus. 3.Scleroderma. 4.Inflammatory bowel disease. 5.Giant cell myocarditis. b. Reactions to certain medicines, such as certain chemotherapy drugs 1.Clozapine, 2.Acetazolamide, 3.Amitriptyline, 4.Cyclophosphamide, 5.Fluorouracil, c. Exposure to chemicals in the environment, such as heavy metals 1.Lead, 2.Copper, 3.Iron. Others: 1.Insect stings and bites 2.Radiation Symptoms: The presentation may range from asymptomatic changes seen on ECG to fulminant heart failure, arrhythmias and sudden cardiac death: 1.Patients may be asymptomatic with ECG abnormalities. 2.Others may have severe heart failure and left ventricular dysfunction (LVD). a.Fatigue b.Chest pain c.Fever d.Signs of heart failure Diagnosis Myocarditis may not be easy to diagnose because the signs and symptoms often imitate those of other heart and lung diseases or a bad case of the flu. The doctor may hear a rapid heartbeat or abnormal heart sounds A chest x-ray can show enlargement of the heart If the doctor identifies myocarditis based on the examination and chest x-ray, an electrocardiogram may also be done to confirm the diagnosis ECG: changes may be ST-segment elevation/depression, T-wave inversion, atrial arrhythmias, transient atrioventricular (AV) block Endomyocardial biopsy (the gold standard test) is sometimes done Cardiac MRI can differentiate transient and permanent tissue damage Treatment Patients with signs of acute myocarditis should be moved to ITU, as ventricular support may become essential. 1.Antibiotics to fight bacterial infection 2.Medicines called steroids to reduce swelling 3.If the heart muscle is weak, the doctor will give medicines to treat heart failure. a.Diuretics b.Low-salt diet c.Reduced activity 4.Abnormal heart rhythms may need the use of medicines. 5.The patient may also need a device to correct an irregular heartbeat such as: a.Pacemaker b.Implantable cardioverter-defibrillator 6.If a blood clot is in the heart chamber, blood thinning medicine is given 7.Heart transplant may be required if the heart muscle has become very weak 8.Treat hypotension TABLE OF CONTENT Introduction Chapter 1 Inflamed Heart (Myocarditis) Chapter 2 Causes Chapter 3 Symptoms Chapter 4 Diagnosis Chapter 5 Treatment Chapter 6 Prognosis Chapter 7 Cardiomyopathy Chapter 8 Coronary Heart Disease Epilogue画面が切り替わりますので、しばらくお待ち下さい。
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