{"isbn_13": ["9780879934460"], "physical_format": "Hardcover", "weight": "2.6 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["Blackwell Publishing Limited"], "number_of_pages": 407, "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "id": 11017904, "first_sentence": {"type": "/type/text", "value": "The normal impulse that originates in the SAN, located high in the right atrium, traverses the atria in a wavelike \"front\" with a velocity of approximately 1000 mm/s."}, "isbn_10": ["0879934468"], "publish_date": "June 1, 2000", "key": "/b/OL8131631M", "authors": [{"key": "/a/OL1004787A"}, {"key": "/a/OL244739A"}], "title": "Electrocardiography of Clinical Arrhythmias", "type": {"key": "/type/edition"}, "subjects": ["Cardiovascular medicine", "Electrocardiography", "Medical / Nursing", "Medical", "Cardiology", "Medical / Cardiology"], "physical_dimensions": "9.8 x 7.1 x 1.2 inches", "revision": 1}