Hand Injury

Question 1

In which scenario are ischaemic fingers red not white?

Answer 1

Loss of venous outflow

Question 2

How can you tell that a tendon to finger has been severed?

Answer 2

It will sit in a more extended position

It won’t flex when the forearm is squeezed

Question 3

How does a mallet injury occur and appear?

Answer 3

Forced flexion of an extended DIP

Permenant flexion at the DIP

Question 4

What is the difference between a lag and fixed flexion?

Answer 4

A lagged finger can be manually extended

Question 5

Which testable muscle is intervated by the median nerve?

Answer 5

Abductor pollicis brevis

Question 6

What is Froment’s test?

Answer 6

Gripping paper with the thumb - positive if the thumb flexes

Question 7

What is a good antibiotic of animal bites?

Answer 7

Augmentin duo forte

Question 8

How long can muscle last while ischaemic?

Answer 8

4-6hours

Question 9

Which movement does FDS and FDP do in the finger?

Answer 9

FDS - Flexion of the PIP

FDP - Flexion of the DIP

Question 10

Which movemetn does FPL do in the thumb?

Answer 10

Flexion of the IPJ

Question 11

Which muscle extends the MCP joint in the hand?

Answer 11

Extensor digitorum

Question 12

Which muscle extends the IP joint of the thumb?

Answer 12

EPL

Question 13

How do you manage a volar laceration?

Answer 13

Clean wound

Compression

Splint in position of function

Elevation

Abx

Tetanus

Analgesia

Question 14

How do you preserve an amputated finger?

Answer 14

Cover with saline soaked gauze

Place in bag

Place bag next to ice

Question 15

How what tenosynovitis? How does it present?

Answer 15

Infection within the tendon sheath

Fusiform swelling

Slight flexion

Tender along sheath

Pain with passive extension