WordNet

divide or split up; "The cells segmented"
one of the parts into which something naturally divides; "a segment of an orange"
divide into segments; "segment an orange"; "segment a compound word" (同)section
the 19th letter of the Roman alphabet (同)s

PrepTutorEJDIC

区分,部分 / 切片(円などの一部);(直線の)線分 / …‘を'分ける / 分かれている,分裂する
sulfurの化学記号 / {略}South[ern]

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/02/05 12:21:02」(JST)

wiki en

Schematic representation of normal ECG

In electrocardiography, the ST segment connects the QRS complex and the T wave and has a duration of 0.080 to 0.120 sec (80 to 120 ms).

It starts at the J point (junction between the QRS complex and ST segment) and ends at the beginning of the T wave. However, since it is usually difficult to determine exactly where the ST segment ends and the T wave begins, the relationship between the ST segment and T wave should be examined together. The typical ST segment duration is usually around 0.08 sec (80 ms). It should be essentially level with the PR and TP segment.

The ST segment represents the period when the ventricles are depolarized. It is isoelectric.

Interpretation

The normal ST segment has a slight upward concavity.
Flat, downsloping, or depressed ST segments may indicate coronary ischemia.
ST elevation may indicate transmural myocardial infarction. An elevation of >1mm and longer than 80 milliseconds following the J-point. This measure has a false positive rate of 15-20% (which is slightly higher in women than men) and a false negative rate of 20-30%.^[1]
ST depression may be associated with subendocardial myocardial infarction, hypokalemia, or digitalis toxicity.^[2]

In fetal monitoring

In fetal electrocardiography, ST waveform analysis (sometimes abbreviated STAN) is used to get an indication of increasing levels of fetal base deficit.^[3]

References

^ Sabatine MS (2000). Pocket Medicine (Pocket Notebook). Lippincott Williams & Wilkins. ISBN 0-7817-1649-7.
^ http://www.uab.edu/emig/yellow_book/yb_reading_ekg.htm
^ Mansano, R. Z.; Beall, M. H.; Ross, M. G. (2007). "Fetal ST segment heart rate analysis in labor: Improvement of intervention criteria using interpolated base deficit". Journal of Maternal-Fetal and Neonatal Medicine 20 (1): 47–52. doi:10.1080/14767050601055279. PMID 17437199.

UpToDate Contents

全文を閲覧するには購読必要です。 To read the full text you will need to subscribe.

1. 冠動脈ステント血栓症：臨床症状およびマネージメント coronary artery stent thrombosis clinical presentation and management
2. 心電図チュートリアル：SＴ波およびT波の変化 ecg tutorial st and t wave changes
3. ST上昇型心筋梗塞の急性期マネージメントの概要 overview of the acute management of st elevation myocardial infarction
4. 不安定狭心症および非ST上昇型心筋梗塞の分類 classification of unstable angina and non st elevation myocardial infarction
5. ST上昇型心筋梗塞における血栓溶解療法：効果の指標 fibrinolytic thrombolytic agents in acute st elevation myocardial infarction markers of efficacy

English Journal

A novel pathway of presentation by class II-MHC molecules involving peptides or denatured proteins important in autoimmunity.

Mohan JF, Unanue ER.SourceDepartment of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA.
Molecular immunology.Mol Immunol.2013 Sep;55(2):166-8. doi: 10.1016/j.molimm.2012.10.024. Epub 2012 Nov 27.
We describe here a pathway of presentation involving peptides or denatured proteins that generate unique peptide-MHC complexes. Such complexes select for non-conventional CD4 T cells. We have examined this pathway and the corresponding CD4 T cells in diabetic autoimmunity. Autoimmunity requires both
PMID 23200226

Association between lectin complement pathway initiators, C-reactive protein and left ventricular remodeling in myocardial infarction-a magnetic resonance study.

Schoos MM, Munthe-Fog L, Skjoedt MO, Ripa RS, Lønborg J, Kastrup J, Kelbæk H, Clemmensen P, Garred P.SourceDepartment of Cardiology, Rigshospitalet, Copenhagen University Hospital, Denmark. mikkel.schoos@gmail.com
Molecular immunology.Mol Immunol.2013 Jul;54(3-4):408-14. doi: 10.1016/j.molimm.2013.01.008. Epub 2013 Feb 11.
BACKGROUND: Lectin complement pathway (LP) activation is an important mechanism in myocardial ischemia reperfusion injury (IRI). LP is activated via the recognition molecules mannose-binding lectin (MBL), ficolins-2 and-3 and is regulated by MBL/Ficolin-associated Protein-1 (MAP-1). Also, C-reactive
PMID 23399387

An evidence-based review of current anti-platelet options for STEMI patients.

Cayla G, Silvain J, O'Connor SA, Collet JP, Montalescot G.SourceINSERM 937, Pitié-Salpêtrière University Hospital, Institut de cardiologie, Université Paris 6, France; Centre Hospitalo-Universitaire de Nîmes, service de cardiologie, Université Montpellier 1, France.
International journal of cardiology.Int J Cardiol.2013 Jun 20;166(2):294-303. doi: 10.1016/j.ijcard.2012.04.160. Epub 2012 Jun 17.
Drug-eluting stents are the default treatment for acute coronary syndromes, unless concerns or contraindications preclude dual antiplatelet therapy (DAPT). Platelet microemboli and mediators from activated platelets can undermine the restoration of perfusion. Therefore, ST-segment elevation MI (STEM
PMID 22709725

Japanese Journal

Myocardial bridging as a suspected cause of acute coronary syndrome: a case report

森田雄介,加藤貴雄
Journal of the Japanese Coronary Association, 2013
… An electrocardiography showed sinus tachycardia with ST segment depression in the lateral leads. … On iodine-123 beta-methyl-p-iodophenyl-pentadecanoic acid (123I-BMIPP) imaging, a decreased uptake of 123I-BMPP was observed in the anteroseptal segment. …
NAID 130002585958

A case of effective repeated distal protection on acute and subacute phase PCI to occluded sirolimus-eluting stent in SVG

重城健太郎,齊藤克己,鈴木ゆき,天野宏,河合靖,竹内靖夫
Journal of the Japanese Coronary Association, 2013
… Seven years after SES implantation, he visited our hospital due to sudden chest pain at rest, and ECG on admission showed ST-segment depression at electrode V4–6. … Interestingly, distal protection device in 2nd session caught as plenty of plaques as that in 1st session. …
NAID 130002585932

Impact of Metabolic Syndrome on Various Aspects of Microcirculation and Major Adverse Cardiac Events in Patients With ST-Segment Elevation Myocardial Infarction

UCHIDA Yasuhiro,ICHIMIYA Satoshi,ISHII Hideki,KANASHIRO Masaaki,WATANABE Junji,YOSHIKAWA Daiji,TAKESHITA Kyosuke,SAKAI Shinichi,AMANO Tetsuya,MATSUBARA Tatsuaki,MUROHARA Toyoaki
Circulation journal : official journal of the Japanese Circulation Society 76(8), 1972-1979, 2012-07-25
… In 216 consecutive patients with ST-segment elevation myocardial infarction (STEMI) after successful primary PCI, data were collected and analyzed on epicardial coronary flow, ST-segment resolution (STR) on electrocardiography, maximum serum creatine kinase levels, and the incidence of major adverse cardiac events (MACE). …
NAID 10030504885

Related Pictures

★リンクテーブル★

リンク元	「ST上昇」「ST部分」
拡張検索	「ST segment elevation」
関連記事	「ST」「segment」「S」

「ST上昇」

　　[★]

英: ST segment elevation
関: ST segment

原因

EAB.44

全誘導で上昇

急性心膜炎

一部の誘導で上昇

QRSが広い

健常者のST上昇

ECGP.188

正常亜型
虚血性心疾患
心室壁運動異常、心室瘤
急性心膜炎、急性心筋炎
左脚ブロック、左室肥大、右胸部誘導
Brugada症候群
その他：高カリウム血症、急性肺性心、電気的除細動後、急性脳血管障害、頭部外傷、低体温、心臓腫瘍、心サルコイドーシス、エキノコッカス心嚢胞
人工的原因：基線の動揺、心電図モニタにおける変化など

疾患とST上昇

心筋梗塞

発症直後には上昇しているらしい(心筋虚血を反映)。 (心筋梗塞#心電図の異常波形と時間経過)

「ST部分」

　　[★]

同: ST ST segment ST-segment、ST間部、ST分節
関: ST上昇、ST低下

[show details]

ST部分 : 約 6,540 件
ST分節 : 約 288 件
ST領域 : 約 221 件
STセグメント : 約 1,930 件

QRS波の終わり～T波の始まりまで
QRS波とT波＊の間にはさまれた部分

STの異常

ventricular repolartization is very sensitive to myocardial perfusion -> change in ST segment and T wave (PHD.104)

ST上昇

急性心筋梗塞、異型狭心症、急性心膜炎、心室瘤

ST低下

労作性狭心症、低カリウム血症、心内膜下梗塞

「ST segment elevation」

　　[★]

ST上昇、ST部分上昇

「ST」

　　[★]

「segment」

　　[★]

n.

セグメント、区域、分節、体節

関: area、metameric、region、segmental、somite、somitic

「S」

　　[★]

[1] Sabatine MS (2000). Pocket Medicine (Pocket Notebook). Lippincott Williams & Wilkins. ISBN 0-7817-1649-7.

[2] ttp://www.uab.edu/emig/yellow_book/yb_reading_ekg.htm

[3] Mansano, R. Z.; Beall, M. H.; Ross, M. G. (2007). "Fetal ST segment heart rate analysis in labor: Improvement of intervention criteria using interpolated base deficit". Journal of Maternal-Fetal and Neonatal Medicine 20 (1): 47–52. doi:10.1080/14767050601055279. PMID 17437199.

匿名

検索

案内

案内

ST segment