ANALISIS PENGGUNAAN FLOW RATE MEDIA CONTRAST TERHADAP TEKNIK PEMERIKSAAN MSCT ANGIOGRAFI PULMONALIS PADA DIAGNOSIS EMBOLI THORAX

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ABSTRACT
BACHELOR OF APPLIED SCIENCE PROGRAM
IMAGING RADIOLOGY TECHNOLOGY STUDY PROGRAM
RADIODIAGNOSTICS AND RADIOTHERAPY DEPARTMENT
HEALTH POLYTECHNIC OF HEALTH MINISTRY JAKARTA II
THESIS, 2025
WIRDA HUSNI
ANALYSIS OF THE USE OF FLOW RATE CONTRAST MEDIA ON MSCT
PULMONAL ANGIOGRAPHY EXAMINATION TECHNIQUES IN THE DIAGNOSIS OF
THORAX EMBOLICS
V Chapters + 49 Pages + 24 Images + 9 Attachments
Background: To make a diagnosis of pulmonary embolism, it needs to be supported by
anamnesis, physical examination, laboratory examination and imaging. Imaging plays an
important role in the evaluation and management of acute pulmonary embolism. Imaging that is
often used is Multi Detector Computed Tomography, Computed Tomography Pulmonary
Angiography. This examination is carried out by injecting contrast media through a peripheral
vein which can reach the pulmonary artery which then provides visualization of the pulmonary
artery down to its segmental branches. The MSCT Pulmonary Angiography examination was
carried out using the bolus trecking technique and the use of non-ionic contrast media and an
injector device. The use of the injector tool is to ensure that the flow rate and pressure of the
contrast media are stable from the beginning to the end of the injection. The injection rate (flow
rate) of contrast media is one of the factors that influences the enhancement of contrast media in
CT scan images.
Research Objective: To analyze the procedure and management of MSCT Pulmonary
Angiography examination in Thoracic Embolism Cases, to analyze the amount of contrast media
that enters the MSCT Pulmonary Angiography examination to diagnose thoracic embolism and to
analyze the results of anatomical images in MSCT Pulmonary angiography examination with a
diagnosis of thoracic embolism.
Place and Time of Research: Cut Meutia General Hospital, Lhokseumawe, North Aceh, October -
November 2024. Research Sample: 3 patients with a diagnosis of Thoracic Embolism Research
Tool: MSCT Siemens SOMATOM 64 Slice Research Method: This study uses a qualitative
research type with a case study approach, namely research that aims to provide a detailed picture
of the actual situation in the field. Data collection methods by observation, interviews and
documentation. The data in this writing are primary data and data processing is carried out with
an interactive model analyst.
Results: Information on the results of the image on the MSCT Pulmonary Angiography
examination in the diagnosis of thoracic embolism that the use of a flow rate of 4ml / s is more
recommended because in addition to the level of enhancement (Stinging) in the pulmonary artery
can reach the criteria for informative images and make it easier for Radiologists to diagnose
Embolism in the Thorax also to minimize the occurrence of Hematoma in patients.
Conclusion: In Pulmonary CTA, it is necessary to pay attention to the placement of the ROI
tracker for bolus tracking in the common pulmonary artery so that the real pulmonary artery is
not disturbed by the pulmonary vein image and assisted by the use of the right contrast media
injection flow rate can increase diagnostic value because of the accuracy of taking pulmonary
artery images.
Keywords: Pulmonary CTA, contrast, Thoracic embolism

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2025

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Wahyu Hidayat(P1); Nurbaiti(P2); Nursama Heru Apriantoro(P3); D4-TRO-2025: P21130223993

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