cardiac radiography - duke university · 2 4 5 7 8 9 1 6 3 cardiac anatomy 1. r brachiocephalic v./...
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![Page 1: Cardiac Radiography - Duke University · 2 4 5 7 8 9 1 6 3 Cardiac Anatomy 1. R brachiocephalic v./ SVC 2. Ascending Aorta 3. R atrium 4. IVC 5. L brachiocephalic v./ L subclavian](https://reader031.vdocuments.us/reader031/viewer/2022011907/5f543653111237055705a793/html5/thumbnails/1.jpg)
Cardiac Radiography
Jared D. Christensen, M.D.
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Cardiacradiography
Jared D. Christensen, M.D.
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OverviewBasic Concepts
Technique
Normal anatomy
Cases
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Technique
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3 Standard Views
Posterior-Anterior (PA) Anterior-Posterior (AP) Lateral
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MagnificationR L
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PA AP
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Cardiac Anatomy
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Cardiac Anatomy1. R brachiocephalic v./ SVC2. Ascending Aorta3. R atrium4. IVC5. L brachiocephalic v./ L
subclavian a.6. Aortic arch7. Main pulmonary a.8. L atrial appendage9. L ventricle
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23-year old male with acute chest pain
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Q Where is the abnormality?
A
B
C
D. It’s normal
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Q Where is the abnormality?
A
B
C
D. It’s normal
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Q Where is the abnormality?
A
B
C
D. It’s normal
�
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Q
A. Mediastinal massB. Aortic dissectionC. Pulmonary embolismD. Lymphadenopathy
What is the most likely diagnosis?
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Aortic Dissection - Marfan Syndrome
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Chambers
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Cardiac Chambers1. L Atrium
2. R Atrium
3. L Ventricle
4. R Ventricle1
23
4
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Heart SizeCardiac Index:
A
B
A
B
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Heart SizeCardiac Index:
A
B
A
B
Normal: ! 50%
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Heart Size
D i l a t i o n
Hypertrophy
Volume
Pressure
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Left Atrium
• Big left atrial appendage
• Retrocardiac double density
• Elevated left mainstem bronchus
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Left Atrium
• Big left atrial appendage
• Retrocardiac double density
• Elevated left mainstem bronchus
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Left Atrium
• Big left atrial appendage
• Retrocardiac double density
• Elevated left mainstem bronchus
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Left Atrium
• Big left atrial appendage
• Retrocardiac double density
• Elevated left mainstem bronchus
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Left Atrium
• Big left atrial appendage
• Retrocardiac double density
• Elevated left mainstem bronchus
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Left Ventricle
• Enlarged left heart border
• Apex moves down and leftward
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Left Ventricle
• Enlarged left heart border
• Apex moves down and leftward
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Left Ventricle
• Enlarged left heart border
• Apex moves down and leftward
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Right Atrium
• Divide hemithorax into thirds
• Right heart border is > ⅓
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Right Atrium
• Divide hemithorax into thirds
• Right heart border is > ⅓
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Right Atrium
• Divide hemithorax into thirds
• Right heart border is > ⅓
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Right Ventricle
• Elevated cardiac apex
• “Boot-shaped” heart
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Right Ventricle
• Elevated cardiac apex
• “Boot-shaped” heart
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Right Ventricle
• Elevated cardiac apex
• “Boot-shaped” heart
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Valves
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ValvesTricuspid
Mitral
Aortic
PulmonicMT
PA
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Valves
MT
PA
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Valves
MT
PA
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Valves
MT
PA
PA
T M
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Q Which valve is calcified?
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Q
A. AorticB. PulmonicC. Mitral D. Tricuspid
Which valve is calcified?
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Heart Size
D i l a t i o n
Hypertrophy
Volume
Pressure
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Valve Disease
Normal directional flow
Reversed directional flow
Stenosis
Insu!ciency
Valve doesn’t fully open
Valve doesn’t fully close
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Mitral Insu"ciency
• Left atrium dilates
• Left ventricle dilates (over time)
• Normal pulmonary vasculature
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Mitral Insu!ciency - Acute MI
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Mitral Stenosis
• Left atrial hypertrophy/dilation
• Dilated pulmonary veins, then arteries
• Dilated right ventricle
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Mitral Stenosis
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Aortic Insu"ciency
• Left ventricle dilates
• Aorta may eventually dilate due to increased LV volumes
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Aortic Insu!ciency
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Aortic Stenosis
• Left ventricle hypertrophy/dilation
• Post-stenotic dilation of ascending aorta
• Pulmonary vessels are normal
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Aortic Stenosis (& Insu!ciency)
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Pulmonic Stenosis
• Right ventricle hypertrophy/dilation
• Post-stenotic dilation of pulmonary artery
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Pulmonic Stenosis
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Pericardium
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PericardiumAnatomy:
‣ Visceral
‣ Space
‣ Parietal
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6 weeks ago
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Pericardial E"usion
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Vasculature
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VasculatureThoracic Aorta
Pulmonary Arteries
Pulmonary Veins
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2 days later
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4 days later
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4 days later
Pulmonary Edema
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Interstitial
Kerley B Lines
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Interstitial Alveolar
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Cases
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1
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Q What surgery has this patient had?
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Q What surgery has this patient had?
A. AVRB. Cardiac TxpC. CABGD. Lung Txp
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Q What surgery has this patient had?
A. AVRB. Cardiac TxpC. CABGD. Lung Txp
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Q What surgery has this patient had?
A. AVRB. Cardiac TxpC. CABGD. Lung Txp
�
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Q Which tube/line is malpositioned?
D
C
A
B
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Q Which tube/line is malpositioned?
D
C
A
B
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Q Which tube/line is malpositioned?
D
C
A
B�
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R Mainstem Intubation
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R Mainstem Intubation
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52-year-old male with chest pain and dyspnea.
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52-year-old male with chest pain and dyspnea.
2
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Q Which chamber is abnormal?
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Q Which chamber is abnormal?
A. Left atriumB. Left ventricleC. Right atriumD. Right ventricle
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Q Which chamber is abnormal?
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Q Which chamber is abnormal?
A. Left atriumB. Left ventricleC. Right atriumD. Right ventricle
�
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Left Ventricle Aneurysm
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54-year old male with chest pain and dyspnea
3
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Q Which is the next most appropriate step in management?
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Q
A. BiopsyB. PET-CTC. CTA D. Surgical resection
Which is the next most appropriate step in management?
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Q
A. BiopsyB. PET-CTC. CTA D. Surgical resection
Which is the next most appropriate step in management?
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Q
A. BiopsyB. PET-CTC. CTA D. Surgical resection
Which is the next most appropriate step in management?
�
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Aortic Arch Pseudoaneurysm
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Conclusions
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ConclusionsLearn what is normal
Be systematic in your interpretation
‣ Contours, Chambers, Valves
Physiology predicts pathology
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Jared D. Christensen, M.D.
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Jared D. Christensen, M.D.
Cardiacradiography