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Abstract
To facilitate the outpatient diagnosis of variant angina by documenting transient ST segment evaluation during chest pain, we studied the feasibility of transtelephonic ECG monitoring during angina episodes. Eight patients with known coronary artery spasm underwent simultaneous continuous ambulatory and transtelephonic ECG monitoring during a 24-hour period. Five patients (62%) had transient diagnostic ST segment shifts on both continuous ambulatory and transtelephonic monitoring. Another eight patients with coronary spasm underwent 24-hour continuous ambulatory monitoring and separate 14-day period of transtelephonic monitoring. The addition of this longer monitoring period provided diagnostic ST segment shifts in three patients. We conclude that transtelephonic monitoring in patients with suspected coronary artery spasm can provide important additional diagnostic information to continuous ambulatory monitoring, particularly in the patient with infrequent or predictable chest pain.
View details for Web of Science ID A1981MB29100009
View details for PubMedID 7258093