Hand/fingers Flashcards
What should you use for demonstrating lumps/bumps on structures?
Metallic BB markers
What should you use to indicate entrance wounds?
Arrows
What must be included on bone images?
Joint to Joint
What is one major requirement for placing multiple images on one cassette?
One image must be in the center of the IR for it to be properly read.
If multiple digits have been ordered on the same extremity you must radiograph each digit _______.
individually
When performing a Bone Age what 4 things must you document?
Age, Gender, Years, Months
What is the routine for Bone Age?
PA Left Hand
Fingers (2-5) IR size
8x10
Fingers, Hand SID
40’’
Where do you center the IR for fingers 2-5 in PA projection?
PIPJ
Central Ray for Fingers 2-5?
perpendicular to the IR directed to the PIPJ.
Evaluation Criteria for PA Projection of 2-5 fingers
no rotation, concave surface of the phalangeal shafts and equal soft tissue. head of distal phalanx to head of metacarpal.
PA oblique projection of the fingers 2-5
digits will be separated at a 45 degree angle. IR directed towards the PIPJ of the affected digit.
LATERAL PROJECTION for Pointer and Middle
mediolateral
LATERAL PROJECTION for Ring and Pinky
lateromedial
Medial Rotation =
Internal
Lateral Rotation=
External
Fingers and Hand Routine
PA, Oblique, Lateral
Which finger can you do either mediolateral or lateromedial?
Middle, depending on injury.
Which side is the thumb on?
Lateral
Which side is the Pinky on?
Medial
Where do you center for lateral projections of the 2-5 finger?
PIPJ
What 3 joints does the thumb have?
IPJ, MCPJ, CMCJ
what is another name for the CMCJ?
Basal Joint
CR for PA & Oblique hand
@ 3rd MCPJ
CR for Lateral hand
@ 2nd MCPJ
Why is AP projection preferred on the thumb?
due to magnification with PA
When a hand is in PA position the thumb is?
Obliqued
Routine for Thumb
AP, Lateral, Oblique
What is another name for the hand?
Manus
What is another name for the thumb?
Pollex
What is another name for the big toe?
Hallex
How many phalanges are in 1 hand?
14
How many interphalangeal joints are in 1 hand?
9
Pronation=
PA hand
Supination=
AP hand
What all must be included on a hand radiograph?
tip of the 3rd distal phalanx - 1 inch below ulnar styloid
what is another name for head of the metacarpals?
Knuckles
What are the 3 parts of the phalanges?
heady, body, base
Name the 3 types of lateral hand-
fan, extension, flexion
Lateral hand CR
2nd MCPJ
What do you visualize in lateral hand extension?
Foreign Bodies, Metacarpal fracture displacement
What do you visualize in fan lateral hand?
each individual phalange
What do you visualize in lateral flexion hand?
anterior or posterior displacement of the metacarpals
Lateral Hand Criteria
Superimposed metacarpals, superimposed radius and ulna
A finger is occasionally called?
A digit
Metacarpals form the?
Palm of the hand
Proximal Row of the Carpals from Lateral- Medial
Navicular/ Scaphoid, Lunate/Semilunar, Triangular/Triquetral, Pisiform/ OS pisiform
Distal Row if the Carpals from Lateral- Medial
Greater Multangular/ Trapezium, Lesser Multangular/ Trapezoid, Capitate/ OS Magnum, Hamate/ Unciform
What are the 3 carpal bones with processes or tuberosities?
Navicular/Scaphoid, Greather Multangular/ Trapezium, Hamate/ Unciform
Hand consists of how many bones?
27
When the thumb is abducted there is a triangular depression termed?
Snuff Box
The snuffbox is commonly referenced for the diagnosis of ____ fractures?
Navicular/Scaphoid
What carpal region of the wrist is concise and contains the Carpal Tunnel?
Carpla Sulcus
Is the thumb side of the hand a medial or lateral structure?
LAteral
The palmar surface of the hand is anterior or posterior?
Anterior
The term distal means?
Furthest away from attachment
The term proximal mean?
Closest to
How many interphalangeal joints are in the thumb?
one
