Causes of atrial enlargement
[DOC File]Draft #3 11-23-93
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Causes of large R wave in V1 or V2: Diagnosis Confirmatory clues. RVH Right axis deviation. Right atrial enlargement. ST depression and T inversion in V1-V2 RBBB QRS wide> 120 msec (>100 msec if incomplete RBBB) Posterior MI ST depression in V1-V3 but T upright (≠RVH)
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Right Atrial Enlargement & P Pulmonale. P wave indicates atrial depolarization. There can be a tall peaked P wave. The height is amplitude or energy measured and the width is time. The larger P wave can be called P Pulmonale. The patient in the above example comes in with SOB (Shortness of Breath). They have R atrial enlargement.
[DOC File]Atrial Septal Defect
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Atrial fibrillation produces a characteristic irregular pulse. Causes include any cardiac disorder which enlarge the atria, including atrial septal defects and other congenital lesions. Mitral valve disease, hyperthyroidism, coronary artery disease, fever, exercise, pulmonary disease and alcoholism can induce flutter or fibrillation.
[DOC File]Elentra: Faculty of Health Sciences, Queen's University
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As a result this causes a left-to-right shunt across the atria that result in the enlargement of the right side of the heart as well as the pulmonary artery.6. IIa. Current Treatment Options. There are two methods used for treating atrial septal defects. The first method is a surgical approach.
[DOC File]M29-1, Part 5, R
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Pets with fast (secondary) atrial fibrillation are treated medically to slow the ventricular rate; converting the atrial fibrillation to a normal rhythm would be ideal, but such attempts in pets with severe underlying heart disease or left atrial enlargement are generally futile because of …
How to prevent right atrial enlargement: Causes, symptoms, diagn…
Other causes include infusion of large amounts of glucose or alkali substances, liver cirrhosis and diabetic coma. Bottom of Form. Top of Form. Left atrial enlargement. Left atrial enlargement is typically characterized by an increase in the terminal portion of the P wave.
[DOC File]CARDIO – 1/8/08
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Right atrial enlargement is observed as a consequence. The obstructed venous return results in hepatic enlargement, decreased pulmonary blood flow, and peripheral edema. Other rare causes of tricuspid stenosis include carcinoid syndrome, endocarditis, endomyocardial fibrosis, systemic lupus erythematosus, and congenital tricuspid atresia
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80% are due to infective causes. Chest pain in these patients is usually due to atherosclerosis of coronary arteries. The ECG is almost always abnormal with LV hypertrophy, & L atrial enlargement being the most common abnormalities. Use of digoxin has been shown to improve survival rates. ECHO usually shows decreased diastolic and systolic volumes.
[DOC File]Posterior Infarction:
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Its causes are many and include tuberculosis, rheumatic fever, virus and bacteria infections and possibly coronary artery disease. Underwriting Requirements An APS (VA Form 29-8158) is required.
[DOC File]GCS 16 - Home
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Since atrial depolarization is typically greatest in the direction of Lead II, a peaked P-wave of > or = 2.5 small boxes is diagnostic of RAA. Leads III and AVF are also used with this criteria. Left Atrial Abnormality (LAA) is also known as LAE and LAH (left atrial enlargement and left atrial hypertrophy).
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