Myocardial and Pericardial Disease: Difference between revisions

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*Radiofrequency ablation can be useful as adjunctive therapy in management of patients with ARVC with recurrent ventricular tachycardia, despite optimal anti-arrhythmic drug therapy.  
*Radiofrequency ablation can be useful as adjunctive therapy in management of patients with ARVC with recurrent ventricular tachycardia, despite optimal anti-arrhythmic drug therapy.  


====Unclassified Cardiomyopathy: Left ventricular non-compaction=====
====Unclassified Cardiomyopathy: Left ventricular non-compaction====
Left ventricular non-compaction (LVNC) is characterized by distinct structural abnormalities:
Left ventricular non-compaction (LVNC) is characterized by distinct structural abnormalities:


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Treatment strategies are mainly extrapolated from other cardiomyopathies: standard heart failure therapy in case of LV dysfunction, beta-blockade and/or amiodarone in non-sustained VT in the absence of LV dysfunction, and ICD placement indicated in patients with LVEF <35%, sustained VT or recurrent unexplained syncope. Routine anticoagulation in not indicated, but anticoagulation may be instituted in case of ventricular dilatation or systolic LV function impairment.
Treatment strategies are mainly extrapolated from other cardiomyopathies: standard heart failure therapy in case of LV dysfunction, beta-blockade and/or amiodarone in non-sustained VT in the absence of LV dysfunction, and ICD placement indicated in patients with LVEF <35%, sustained VT or recurrent unexplained syncope. Routine anticoagulation in not indicated, but anticoagulation may be instituted in case of ventricular dilatation or systolic LV function impairment.


The prognosis of LVNC has currently not yet been defined. One small report indicates a high mortality risk, owing to a high prevalence of sudden death, but community-based populations may well show a different prognosis as many patients with LVNC are non-symptomatic at the initial diagnosis.  
The prognosis of LVNC has currently not yet been defined. One small report indicates a high mortality risk, owing to a high prevalence of sudden death, but community-based populations may well show a different prognosis as many patients with LVNC are non-symptomatic at the initial diagnosis.
 
==Pericardial Disease==
==Pericardial Disease==
The pericardium comprises two layers; the visceral layer that adheres to epicardial surface of the heart, and the parietal layer that surrounds most of the heart. Pericardial disease is common, and diagnosis is usually straightforward as the pericardium reacts to disruption by a wide variety of agents and processes in a relatively uniform manner. Typical presentation is with chest pain and fever, production of pericardial fluid with possible cardiac tamponade, or a constrictive pattern by thickening, retraction and calcification.  
The pericardium comprises two layers; the visceral layer that adheres to epicardial surface of the heart, and the parietal layer that surrounds most of the heart. Pericardial disease is common, and diagnosis is usually straightforward as the pericardium reacts to disruption by a wide variety of agents and processes in a relatively uniform manner. Typical presentation is with chest pain and fever, production of pericardial fluid with possible cardiac tamponade, or a constrictive pattern by thickening, retraction and calcification.  
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