Week 8 - Chest & Bony Thorax Flashcards

1
Q

CAD

A

coronary artery disease

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2
Q

CCF

A

congestive cardiac failure

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3
Q

CHD

A

coronary heart disease

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4
Q

IHD

A

ischaemic heart disease

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5
Q

MI

A

myocardial infarction

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6
Q

ARDS

A

acute respiratory distress syndrome

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7
Q

ETT

A

endotracheal tube

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8
Q

NGT

A

nasogastric tube

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9
Q

why is erect position of chest is prefered

A

1) simplified positioning
2) better control of respiration
3) gravity allows full demonstration of lung tissue & fluid levels

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10
Q

what is the target of PA chest

A

HCR center at level of inferior angle of scapula

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11
Q

PA chest collimation

A

upper = both apices of lungs
side = both AC joints
lower = both lower costal margins

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12
Q

ideal position of PA chest

A

1) both lungs shown symmetrically from apices to costophrenic angles
2) equal distance from spinous process to sternal ends of clavicle
3) equal lengths of right & left posterior ribs are
4) clavicles are positioned on same horizontal plane
5) scapulae cleared off lung fields
6) at least 10 posterior ribs seen above diaphragm

ACS BEE

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13
Q

ideal area of PA chest

A

both lungs from apices to costophrenic angles included

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14
Q

why is lateral chest done

A

1) localize lung lesion
2) show anterior mediastinal masses
3) hilar mass
4) pleural effusion
5) post insertion of pacemaker

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15
Q

why is left lateral chest done

A

cardiac conditions as heart is located closer to the left

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16
Q

if opacity seen over right middle lobe in PA chest radiograph to rule out lung mass, what chest x-ray is used

A

right lateral chest x-ray

17
Q

if opacity seen over left lower lobe in PA chest radiograph to rule out pleural effusion, what chest x-ray is used

A

left lateral chest x-ray

18
Q

what is the target of lateral chest x-ray

A

HCR center along mid-axillary line at level of inferior angle of scapulae

19
Q

what is the area of lateral chest x-ray

A

upper = both apices of lungs
anterior & posterior = anterior & posterior SSTM
lower = both lower costal margins

20
Q

ideal position of lateral chest x-ray

A

1) R & L posterior ribs nearly superimposed, with no more than 1 cm of space between them
2) sternum shown
3) humerus soft tissues not superimposed on anterior lung apices
4) hemidiaphragms show gentle superiorly bowed contour and inferior to 11th thoracic vertebra

21
Q

ideal area of lateral chest x-ray

A

entire lung field including apices, costophrenic angles & posterior ribs

22
Q

what is the target of posterior oblique ribs

A

HCR center midway between midline of patient and lateral margin of raised side of chest

23
Q

what is the collimation of posterior oblique ribs

A

upper = upper shoulder SSTM
side = lateral SSTM of chest nearer to IR
lower = lower costal margins

24
Q

what is the target of anterior oblique ribs

A

HCR center midway between vertebral column of patient & lateral margin of raised side of chest at level of T7

25
Q

what is the collimation of anterior oblique ribs

A

upper = upper shoulder SSTM
side = lateral SSTM of raised side of chest
lower = lower costal margins

26
Q

ideal position of oblique chest (ribs)

A

1) SC joints shown w/o superimposing spine
2) 2x lung field shown on affected side compared to unaffected side
3) well demonstrated ribs w/o superimposition by patient’s arms

27
Q

ideal area of oblique chest (ribs)

A

1st to 12th ribs well shown

28
Q

what is the target of lateral sternum

A

HCR center at mid sternum

29
Q

what is the collimation of lateral sternum

A

upper = jugular notch
anterior = SSTM
posterior = anterior third of humeral head on raised side
lower = xiphoid process

30
Q

what is the target of RAO sternum

A

VCR center at point 2.5 cm from midline on raised side at level of T7

31
Q

what is the collimation of RAO sternum

A

upper = level of humeral head
lateral = proximal clavicle of raised side
medial = spinous process
lower = 3cm above lower costal margin

32
Q

ideal position of lateral sternum

A

1) sternum not superimposed by ribs
2) manubrium not superimposed by shoulder SSTM
3) well defined anterior & posterior margins

33
Q

ideal area of lateral sternum

A

entire manubrium to xiphoid process, anterior STM included

34
Q

ideal position of RAO sternum

A

1) entire sternum shown over heart shadow
2) correct rotation as evident by manubrium shown in profile

35
Q

ideal area of RAO sternum

A

1) jugular notch to tip of xiphoid process
2) proximal ends of both clavicles included

36
Q

what is the target of PA SC joints

A

HCR along midline of patient at level of T2-3

37
Q

what is the collimation of PA SC joints

A

upper = level of humeral head
side = medial third of both clavicles, about 5cm from midline
lower = level of axillary

38
Q

what is the target of RAO SC joint

A

HCR center at level of T2-3, 2.5 cm lateral from midsagittal plane

39
Q

what is the collimation of RAO SC joint

A

upper = humeral head level
side = 5cm from central ray
lower = 2cm above inferior angle of scapula