{"first_sentence": {"type": "/type/text", "value": "While we have learned much about the mechanisms of atrioventricular nodal reentry (AVNRT) and reentrant ventricular tachycardia (VT), unresolved issues still surround both arrhythmias."}, "physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "weight": "1.8 pounds", "languages": [{"key": "/l/eng"}], "type": {"key": "/type/edition"}, "publishers": ["Blackwell Publishing Limited"], "number_of_pages": 432, "isbn_13": ["9780879934989"], "id": 11017899, "edition_name": "2 edition", "isbn_10": ["0879934980"], "publish_date": "December 15, 2001", "key": "/b/OL8131649M", "authors": [{"key": "/a/OL2873089A"}, {"key": "/a/OL2796460A"}, {"key": "/a/OL2873090A"}], "title": "Catheter Ablation of Arrhythmias", "contributions": ["Douglas Zipes (Editor)"], "subjects": ["Cardiothoracic surgery", "Cardiovascular medicine", "Medical / Nursing", "Congresses", "Medical", "Surgery", "Cardiology", "Surgery - General", "Medical / Cardiology", "Catheter ablation", "General", "Arrhythmia"], "physical_dimensions": "9.1 x 6 x 1.2 inches", "revision": 1}