need for dual chamber pacing
Item
subjects with fast and/or slow heartbeats who are in need of dual chamber pacing (pacing in both the atria and ventricles) as determined by their doctor.
boolean
C2048107 (UMLS CUI [1,1])
C0686904 (UMLS CUI [1,2])
Supraventricular tachycardia
Item
subjects who have a history of occasional fast heartbeats originating from the upper heart chambers.
boolean
C0039240 (UMLS CUI [1])
Supraventricular tachycardia
Item
subjects who have experienced at least two symptomatic episodes of fast heartbeats three months prior to enrollment.
boolean
C0039240 (UMLS CUI [1])
heart medications
Item
subjects that are expected to stay on the same heart medications during the length study.
boolean
C2054143 (UMLS CUI [1])
Chronic atrial fibrillation
Item
subjects who have permanent (chronic) or persistent (not self-terminating) atrial fibrillation (fast heartbeats originating from the upper heart chambers).
boolean
C0694539 (UMLS CUI [1])
atrial fibrillation due to a reversible cause
Item
subjects who have atrial fibrillation due to a reversible cause, i.e. electrolyte imbalance.
boolean
C0004238 (UMLS CUI [1,1])
C0205343 (UMLS CUI [1,2])
implantable cardioverter defibrillator
Item
subjects who are current or immediate implantable cardioverter defibrillator (icd) recipients.
boolean
C0162589 (UMLS CUI [1])