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  5. Low Dose Coronary CT Angiography using ECG-Gated Retrospective Spiral CT

Low Dose Coronary CT Angiography using ECG-Gated Retrospective Spiral CT

Paulo G. Pedro, MD, Rui Cruz Ferreira, MD, Raquel Gouveia, MD, Rui Conduto, MD, Berta Carôla, MD, Elisabete d’Ascensão, FT, Miguel Pereira, RT
Department of Cardiology and Imagiology, SAMS Hospital, Lisbon, Portugal|07.04.15
After a maximal treadmill stress test disclosed minor ST-T changes on the left precordial leads, a coronary CT angiography was performed.

A 75-year-old male patient, with high blood pressure and elevated cholesterol levels, was admitted due to a recent onset of atypical chest discomfort. The physical examination was unremarkable. Biometric parameters, such as weight (58 kg), height (169 cm), heart rate (53 bpm), blood pressure (130/80 mmHg), as well as ECG and echocardiogram were normal at admission. A maximal treadmill stress test (Bruce Protocol) disclosed moderate exercise tolerance (7’30’’) with no angina but minor ST-T changes on the left precordial leads. A coronary CT angiography (cCTA) was requested for further evaluation.

The outcomes by Siemens Healthineers customers described herein are based on results that were achieved in the customer’s unique setting. Since there is no “typical” hospital and many variables exist (e.g., hospital size, case mix, level of IT adoption) there can be no guarantee that other customers will achieve the same results.