title: [Additional mass on the intracardiac lead - diagnostic doubts and the optimal choice of treatment].
abstract: We describe a case of a 30 year-old female with implantable cardioverter-defibrillator. One and a half year later the patient  suffered from endocarditis und undevent surgery. The factor V Leiden mutation was diagnosed. Diagnosis and treatment of  device-related interactive complications is discussed.
authors.affiliation: II Katedra Kardiologii, Uniwersytet Medyczny w Łodzi, Łódź. catarinaw@wp.pl
authors.forename: Katarzyna
authors.initials: K
authors.lastname: Wdowiak Okrojek
authors.forename: Ewa
authors.initials: E
authors.lastname: Szymczyk
authors.forename: Jarosław D
authors.initials: JD
authors.lastname: Kasprzak
authors.forename: Piotr
authors.initials: P
authors.lastname: Lipiec
mesh_terms: D020016:Activated Protein C Resistance / Q000235:genetics; D000328:Adult; D017147:Defibrillators, Implantable / Q000009:adverse effects*; D020878:Device Removal / Q000379:methods*; D018618:Echocardiography, Doppler, Color / Q000379:methods; D017548:Echocardiography, Transesophageal / Q000379:methods; D004696:Endocarditis / Q000000981:diagnostic imaging / Q000209:etiology*; D005165:Factor V / Q000235:genetics*; D005260:Female; D006801:Humans; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D016459:Prosthesis-Related Infections / Q000150:complications*; D016896:Treatment Outcome
chemical_list: C095381:factor V Leiden; D005165:Factor V