{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T02:04:07Z","timestamp":1760234647207,"version":"build-2065373602"},"reference-count":21,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2021,6,10]],"date-time":"2021-06-10T00:00:00Z","timestamp":1623283200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Diagnostics"],"abstract":"<jats:p>We present the case of a 71-year-old man with history of smoking, pulmonary emphysema, hypertension, multivessel coronary artery disease and prior coronary artery bypass graft surgery who presented with spontaneous right-sided pneumothorax associated with phasic changes of the QRS amplitude on the electrocardiogram. While several case reports have described QRS amplitude changes associated with left-sided pneumothorax, reports of phasic ECG changes in right-sided pneumothorax are exceedingly rare. Such changes, when present in a patient with sudden onset chest pain and dyspnea, should prompt a diagnostic workup for possible pneumothorax.<\/jats:p>","DOI":"10.3390\/diagnostics11061069","type":"journal-article","created":{"date-parts":[[2021,6,10]],"date-time":"2021-06-10T13:31:39Z","timestamp":1623331899000},"page":"1069","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Usefulness of the Electrocardiogram in a Patient Presenting with Right-Sided Pneumothorax and Presyncope"],"prefix":"10.3390","volume":"11","author":[{"given":"Lavinia Maria","family":"Florescu","sequence":"first","affiliation":[{"name":"Cluj County Emergency Hospital, 400020 Cluj-Napoca, Romania"},{"name":"Faculty of Medicine, University of Medicine and Pharmacy \u201cIuliu Hatieganu\u201d, 400000 Cluj-Napoca, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C\u0103lina-Patricia","family":"\u021aentea","sequence":"additional","affiliation":[{"name":"Cluj County Emergency Hospital, 400020 Cluj-Napoca, Romania"},{"name":"Faculty of Medicine, University of Medicine and Pharmacy \u201cIuliu Hatieganu\u201d, 400000 Cluj-Napoca, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Csilla-Andrea","family":"E\u00f6tv\u00f6s","sequence":"additional","affiliation":[{"name":"Faculty of Medicine, University of Medicine and Pharmacy \u201cIuliu Hatieganu\u201d, 400000 Cluj-Napoca, Romania"},{"name":"\u201cNiculae Stancioiu\u201d Heart Institute, 400020 Cluj-Napoca, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Roxana-Daiana","family":"Lazar","sequence":"additional","affiliation":[{"name":"Cluj County Emergency Hospital, 400020 Cluj-Napoca, Romania"},{"name":"Faculty of Medicine, University of Medicine and Pharmacy \u201cIuliu Hatieganu\u201d, 400000 Cluj-Napoca, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Iulia-Georgiana","family":"Zehan","sequence":"additional","affiliation":[{"name":"Cluj County Emergency Hospital, 400020 Cluj-Napoca, Romania"},{"name":"Faculty of Medicine, University of Medicine and Pharmacy \u201cIuliu Hatieganu\u201d, 400000 Cluj-Napoca, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wissam","family":"Sabha","sequence":"additional","affiliation":[{"name":"\u201cLeon Daniello\u201d Clinical Hospital of Pulmonology, 400020 Cluj-Napoca, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sorin","family":"Pop","sequence":"additional","affiliation":[{"name":"Cluj County Emergency Hospital, 400020 Cluj-Napoca, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1306-2350","authenticated-orcid":false,"given":"Doina Adina","family":"Todea","sequence":"additional","affiliation":[{"name":"Faculty of Medicine, University of Medicine and Pharmacy \u201cIuliu Hatieganu\u201d, 400000 Cluj-Napoca, Romania"},{"name":"\u201cLeon Daniello\u201d Clinical Hospital of Pulmonology, 400020 Cluj-Napoca, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4137-8582","authenticated-orcid":false,"given":"Dan","family":"Blendea","sequence":"additional","affiliation":[{"name":"Cluj County Emergency Hospital, 400020 Cluj-Napoca, Romania"},{"name":"Faculty of Medicine, University of Medicine and Pharmacy \u201cIuliu Hatieganu\u201d, 400000 Cluj-Napoca, Romania"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2021,6,10]]},"reference":[{"key":"ref_1","first-page":"1379","article-title":"Incidence of spontaneous pneumothorax in Olmsted County, Minnesota: 1950 to 1974","volume":"120","author":"Melton","year":"1979","journal-title":"Am. 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