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Symptoms and Signs - Differential Diagnosis of AV Nodal Block
• Trauma (including cardiac surgical procedures)
• Sclerodegenerative processes (e.g., Lev’s disease with calcification of the mitral and aortic annuli)
• Myocarditis
• Medications (e.g., digoxin, b-blockers, calcium channel blockers, class III antiarrhythmics)
• Infiltrative diseases (e.g., hemochromatosis, sarcoidosis, amyloidosis)
• Infections (endocarditis, Lyme disease)
• Idiopathic fibrosis (Lenègre’s disease)
• Electrolyte abnormalities (e.g., hyperkalemia)
• Collagen-vascular diseases
• AV node radiofrequency ablation procedure
• Aortic root diseases (e.g., spondylitis)
• Acute inferior wall MI
• Trauma (including cardiac surgical procedures)
• Sclerodegenerative processes (e.g., Lev’s disease with calcification of the mitral and aortic annuli)
• Myocarditis
• Medications (e.g., digoxin, b-blockers, calcium channel blockers, class III antiarrhythmics)
• Infiltrative diseases (e.g., hemochromatosis, sarcoidosis, amyloidosis)
• Infections (endocarditis, Lyme disease)
• Idiopathic fibrosis (Lenègre’s disease)
• Electrolyte abnormalities (e.g., hyperkalemia)
• Collagen-vascular diseases
• AV node radiofrequency ablation procedure
• Aortic root diseases (e.g., spondylitis)
• Acute inferior wall MI
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