You will be shown inclusion or exclusion criteria for a clinical trial. Given these criteria, your task is to extract all unique entities of the following types: ["Observation", "Condition", "Procedure", "Drug", "Temporal", "Multiplier", "Qualifier", "Negation", "ReferencePoint", "Scope", "Value", "Mood", "Device", "Visit", "Measurement", "Person"].

Please return the output as a JSON object of the format: {"Condition" : ["breast cancer", ...], "Device" : ["ports", ...], "Drug" : ["Atenolol", ...], "Measurement" : ["blood pressure", ...], "Mood" : ["suspected", ...], "Multiplier" : ["more than two", ...], "Negation" : ["no", ...], "Observation" : ["history", ...], "Person" : ["male", ...], "Procedure" : ["surgery", ...], "Qualifier" : ["severe", ...], "ReferencePoint" : ["enrollment", ...], "Scope" : ["infection", ...], "Temporal" : ["one day", ...], "Value" : ["50%", ...], "Visit" : ["ICU", ...]}. The keys should be entity types and values should be lists of extracted entities belonging to the corresponding type. If you cannot find entities belonging to a specific type, the value should be [].

Only output the JSON object and do not include any additional text.

Abstract:

Subject has documented typical atrial flutter.
Subject has any history of successful or unsuccessful treatment of AF with class I or III antiarrhythmic or sotalol with the intention to prevent an AF recurrence. Patients pretreated with above AAD at maximum 48 hours with the intention to convert an AF episode are allowed.
Subject had any previous left atrial ablation.
Subject had any previous cardiac surgery, e.g. prosthetic valves.
Subject has permanent pacemaker or defibrillator implant.
Subject has 2° type II, 3° degree AV-block or left/right bundle branch block pattern.
Subject has unstable angina pectoris.
Subject has history of previous myocardial infarction or percutaneous intervention during the last three months.
Subject has symptomatic carotid stenosis.
Subject has chronic obstructive pulmonary disease with detected pulmonary hypertension or any other evidence of significant lung disease.
Subject has any contraindication for oral anticoagulation.
Subject has any history of previous transient ischemic attack or stroke.
Subject has known intra-cardiac thrombus formation.
Subject has any significant congenital heart defect corrected or not (except for patent foramen ovale that is allowed).
Subject has evidence of congestive heart failure (NYHA class II, III or IV) in sinus rhythm.
Subject has hypertrophic cardiomyopathy.
Subject has abnormal long or short QT interval, signs of Brugada syndrome, known inheriting ion channel disease on the family, arrhythmogenic right ventricular dysplasia.
Subject has sarcoidosis.
Subject has pulmonary vein stent.
Subject has myxoma. Exclusion criteria based on laboratory abnormalities
Subject has thrombocytosis (platelet count > 600,000 / µl) or thrombocytopenia (platelet count <100,000 / µl).
Subject has any untreated or uncontrolled hyperthyroidism or hypothyroidism.
Subject has renal dysfunction with glomerular filtration rate < 60 ml / min.
Subject has known cryoglobulinaemia. General exclusion criteria
Subject has a reversible causes for AF like hyperthyroidism and alcoholism.
Subject is a pregnant woman or woman of childbearing potential not on adequate birth control: only woman with a highly effective method of contraception [oral contraception or intra-uterine device] (who must have a negative pregnancy test within 1 week of the start of the therapy) or sterile woman can be enrolled.
Subject is a breastfeeding woman.
Subject has an active systemic infection.
Subject is employed by Medtronic or by the department of any of the investigators or is a close relative of any of the investigators.
Subject is unwilling or unable to comply fully with study procedures and follow-up due to any disease condition, which can raise doubt about compliance and influencing the study outcome especially any kind of cancer, severe bleeding in history or a suspected pro-coagulant state.
Legal incapacity or evidence that a subject cannot understand the purpose and risks of the study or inability to comply fully with study procedures and follow up.
Subject has a life expectancy of = 1 year.
Subject is currently enrolled or planning to participate in a potentially confounding drug or device trial during the course of this study. Co-enrollment in concurrent trials is only allowed when documented pre-approval is obtained from the Medtronic study manager.
{"Condition": ["pe II, 3\u00b0 ock or l", "thrombocytosis", "patent foramen ovale", "atrial flutter", "chronic obstructive pulmonary disease", "pulmonary hypertension", "myxoma", "intra-cardiac thrombus", "sinus rhythm", "lung disease", "congestive heart failure", "alcoholism", "stroke", "renal dysfunction", "hypertrophic cardiomyopathy", "3\u00b0 degree AV-block", "contraindication", "sarcoidosis", "cryoglobulinaemia", "right ventricular dysplasia", "hypothyroidism", "systemic infection", "myocardial infarction", "thrombocytopenia", "right bundle branch block", "congenital heart defect", "transient ischemic attack", "Brugada syndrome", "unstable angina pectoris", "AF", "carotid stenosis", "hyperthyroidism", "inheriting ion channel disease", "righ e branch block patt"], "Device": ["defibrillator implant", "pulmonary vein stent", "permanent pacemaker", "prosthetic valves"], "Drug": ["antiarrhythmic", "oral anticoagulation", "sotalol"], "Measurement": ["QT interval", "NYHA class", "glomerular filtration rate", "platelet count"], "Mood": [], "Multiplier": [], "Negation": ["except"], "Observation": ["life expectancy", "inheriting ion channel disease on the family"], "Person": [], "Procedure": ["cardiac surgery", "percutaneous intervention", "atrial ablation"], "Qualifier": ["lass II", "symptomatic", "class I", "significant", "arrhythmogenic", "left", "active", "abnormal", "untreated", "uncontrolled"], "ReferencePoint": [], "Scope": ["antiarrhythmic or sotalol", "untreated or uncontrolled", "pulmonary hypertension or any other evidence of significant lung disease", "class I or III", "long or short", "II, III or IV", "myocardial infarction or percutaneous intervention", "hyperthyroidism or hypothyroidism"], "Temporal": ["last three months"], "Value": ["II", "\u003c 60 ml / min", "III", "= 1 year", "\u003c100,000 / \u00b5l", "\u003e 600,000 / \u00b5l", "long", "short", "IV"], "Visit": []}