Download - x quang tim
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X QUANG TIM
BS. Đặng Ngọc Thạch
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Các phương tiện khảo sát tim
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Các phương tiện khảo sát tim
• X Quang
• Siêu âm
• CT
• MRI• MRI
• Nuclear Medicine
• Angiography
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Sơ lược giải phẫu tim
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Các chiều thế khảo sát tim
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Các chiều thế khảo sát tim
• PA
• AP
• LATERAL
• RAO• RAO
• LAO
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23
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24
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26
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Densities
The big two densities are:
(1) WHITE - Bone
(2) BLACK - Air
The others are:
(3) DARK GREY- Fat
(4) GREY- Soft tissue/water
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CÂN ĐỐI
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ĐỘ XUYÊN THẤU CỦA TIA X
Under Exposed (Soft) Over Exposed (hard)
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Inspiration/Expiration
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Giải phẫu học x quang
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PA view
• Bờ phải: 3 cung
– TMC trên
– Nhĩ P
– TMC dưới– TMC dưới
• Bờ trái: 4 cung
– Quai ĐMC
– Cung ĐMP
– Tiểu nhĩ T (Y,N)
– Thất T
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PA view
• Bờ phải: 3 cung
– TMC trên
– Nhĩ P
– TMC dưới– TMC dưới
• Bờ trái: 4 cung
– Quai ĐMC
– Cung ĐMP
– Tiểu nhĩ T (Y,N)
– Thất T
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Phim Nghiêng trái
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Lateral view
• Bờ trước: 3 cung
– Thất P
– Thân ĐMP
– ĐMC– ĐMC
• Bờ sau: 2 cung
– Thất T
– Nhĩ T
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Lateral view
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Lateral view
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CHEÁCH TRÖÔÙC PHAÛI (RAO)
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CHEÁCH TRÖÔÙC PHAÛI (RAO)
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RAO
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CHEÁCH TRÖÔÙC PHAÛI (RAO)
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CHEÁCH TRÖÔÙC PHAÛI (RAO)
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CHEÁCH TRÖÔÙC TRAÙI (LAO)
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CHEÁCH TRÖÔÙC TRAÙI (LAO)
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Kích thước phim
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CARDIAC RADIOLOGY
• Kích thước tim so với lồng ngực
• Kích thước nhĩ• Kích thước nhĩ
• Kích thước thất
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• Tim/ Lồng ngực < 0,5
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Lớn nhĩ phải
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Enlarged Enlarged Right AtriumRight Atrium
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Lớn nhĩ phải
• C>5,5cmNhó (P) to.
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• A/B=1/4Bình thöôøng.
• A/B>1/3Nhó (P) to.
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Tiêu chuẩn phụ
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Lớn thất phải
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Lớn thất phải
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• Mỏm tim chếch lên
• Hep khoảng sáng sau ức
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Enlarged Enlarged Right VentricleRight Ventricle
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Enlarged Enlarged Right VentricleRight Ventricle(lateral CXR)(lateral CXR)
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Lớn nhĩ trái
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Lớn nhĩ trái
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Lớn nhĩ T
• Rộng gốc PQ
• PQ gốc trái cao
• Lớn tiểu nhĩ T
• Bờ đôi• Bờ đôi
• ĐK nhĩ >7cm
• Thực quản bị đẩy lệch
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• Gốc PQ>= 90
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Enlarged Enlarged Left AtriumLeft Atrium
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• ÑK Nhó (T)>7cm
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Lớn thất trái
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• Kéo dài trục thất T
• Mỏm tim chúc xuống
• Thất trái lồi ra sau TMC dưới (lateral)
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Enlarged Enlarged Left VentricleLeft Ventricle
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Enlarged Enlarged Left VentricleLeft Ventricle
IVCIVC
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Phình động mạch chủ bụng
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TuầnTuần hoànhoàn phổiphổi
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Động mạch phổi
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Tĩnh mạch phổi
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Right pulmonary artery
Left pulmonary artery
Động mạch phổi
artery
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RSPV
Tĩnh mạch phổi
L A
L V
RSPV
RIPV
LPSV
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Normal Flow Pattern
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Normal Flow Increased Flow
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• Tim bẩm sinh có shunt T-P
• Hình ảnh:
– Lớn ĐMP ở rốn phổi
– Lớn đk mạch máu phổi– Lớn đk mạch máu phổi
– Tỷ lệ mm vùng đỉnh/đáy: 1/1
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Normal Flow Decreased Flow
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• Tứ chứng fallot, tăng áp ĐMP nguyên phát
• Hình ảnh:
– 2 phế trường sáng bất thường
– Giảm kích thước mạch máu phổi – Giảm kích thước mạch máu phổi
– ĐMP nhỏ
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Normal Flow Pulmonary Hypertension
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ĐMP gốc>15mm
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PULONARY HYPERTENSION
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PULONARY HYPERTENSION
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Tăng áp TMP
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Các bệnh tim mắc phải
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CONGESTIVE HEART FAILURE
• Stage I - Redistribution
• Stage II - Interstitial edema
• Stage III - Alveolar • Stage III - Alveolar edema
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Redistribution
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Redistribution
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Interstitial edema
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Interstitial edema
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Interstitial edema
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Alveolar edema
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ACUTE PULMONARY EDEMA
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ACUTE PULMONARY EDEMA
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Cao huyết áp
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HEÏP VAN HAI LAÙ
NORMAL MITRAL VALVE MITRAL STENOSIS
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• Thấp tim, VNTMnhiễm trùng
• Hình ảnh:
– Lớn nhĩ T
– Tăng áp TMP– Tăng áp TMP
– Lớn thất P
– Lắng động hemosiderosis
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HEÏP VAN HAI LAÙ
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HEÏP VAN HAI LAÙ
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Hở hai lá
• Hình ảnh
– Tim lớn
– Lớn nhĩ T, thất T
– Tăng áp TMP– Tăng áp TMP
– Đóng vôi vòng van 2 lá
– Thường phối hợp hẹp van
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hở 2 lá
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hở 2 lá
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AORTIC STENOSIS
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• Lớn ĐMC lên
• Đóng vôi van
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AORTIC STENOSIS
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AORTIC STENOSIS
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Hở van đm chủ
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Hở van đm chủ
• Thấp tim, tăng ha, viêm nội tâm mạc…
• Lớn tim
• Lớn thất T
• ĐMC lớn• ĐMC lớn
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Hở van đm chủ
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TRAØN DÒCH MAØNG TIM
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TRAØN DÒCH MAØNG TIM
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TRAØN DÒCH MAØNG TIM
PERICARDIAL EFFUSION
-Enlarged heart size.
-Clear heart border.
-Normal pulmonary vascularity.
CARDIAC FAILURE
-Enlarged heart size.
-No clear heart border (interstitiel edema), Kerley’s line, pleural effusion.
-Redistribution.
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TRAØN DÒCH MAØNG TIM
PERICARDIAL EFFUSION
-Enlarged heart size with clear heart border.
-Normal pulmonary vasculature.
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TRAØN DÒCH MAØNG TIM
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TRAØN DÒCH MAØNG TIM
PERICARDIAL EFFUSION
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Pericardial Cyst
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X QUANG BEÄNH TIM BAÅM SINH
146 February 10, 2004
BOOT-SHAPED
TOF
SITTING-DUCK
TA
SNOWMAN
TAPVR
TOOTH-SHAPED
L-TGA
EGG-SHAPED
D-TGA
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Tài liệu tham khảo
• Chest X-Ray in Clinical Practice – Springer
• Bài giảng chẩn đoán x quang – PGS-TS. Phạm Ngọc Hoa, Ths. Lê Văn Phước
• Bài giảng x quang tim mạch –BS. Nguyễn Quý • Bài giảng x quang tim mạch –BS. Nguyễn Quý Khoáng
• www.learningradiology.com
• www.radiologyassistant