Shoulder Dislocations PDF - Practice Questions

Shoulder Dislocations Feature Anterior Posterior FOOSH, forced abduction & external rotation, seizure, H&P Direct blow to front of shoulder, seizure,...

Shoulder Dislocations Feature Anterior Posterior FOOSH, forced abduction & external rotation, seizure, H&P Direct blow to front of shoulder, seizure, electrocution trauma (MVA) Symptoms Arm abducted, externally rotated, loss of deltoid contour Arm adducted, internally rotated, limited external rotation AP ® Lateral to Glenoid; Widened gap; Lightbulb sign Radiology AP ® Medial & Inferior to Glenoid Y ® Glenoid obscured slightly; humerus is farther from ribcage Finding Y ® See glenoid; humerus is closer to ribcage; Axillary ® Just know would be oJ of glenoid Hill-Sachs ® PosteroLateral Humeral head Associated Reverse Hill-Sachs ® AnteroMedial Humoral Head Bankart ® Anterior glenoid labrum Injuries Reverse Bankart® Posterior glenoid labrum axillary nerve injury 1) A 30 year old man presents with right shoulder pain after a seizure. One view from a right shoulder series is shown. What 2 fractures is he at risk for? A) anterior humeral head and anterior glenoid B) posterior humeral head and anterior glenoid C) posterior humeral head and posterior glenoid D) anterior humeral head and posterior glenoid 2) Which of the following features is NOT a commonly associated injury in posterior shoulder dislocation? A) neurovascular damage B) proximal humeral fractures C) reverse Bankart lesion D) reverse Hill-Sachs lesion 3) An impaction fracture of the anteromedial aspect of the humeral head is known as a... bony Bankart lesion Hill-Sachs lesion reverse bony Bankart lesion reverse hill sachs lesion 4) A fracture of the anteroinferior aspect of the glenoid is known as a... A) bony Bankart lesion B) Hill-Sach lesion C) reverse bony Bankart lesion D) reverse Hill-Sach lesion 5) Forced external rotation and abduction of the humerus will most often result in a glenohumeral dislocation in which direction? A) anterior B) inferior C) intrathoracic D) posterior 6) The 'light bulb sign' observed on radiographs of posterior shoulder dislocations is due to... A) fixed abduction of the humeral head B) fixed adduction of the humeral head C) fixed external rotation of the humeral head D) fixed internal rotation of the humeral head 7) Forced external rotation and abduction of the humerus will most often result in a glenohumeral dislocation in which direction? A) anterior B) inferior C) intrathoracic D) posterior A 65-year-old male has a shoulder dislocation reduced, and a post reduction x-ray is performed. What is the most likely diagnosis? Bankart lesion greater tuberosity avulsion fracture Hill-Sachs lesion humeral avulsion of the glenohumeral ligament Perthes lesion A 25-year-old male has a recently reduced shoulder dislocation, and an x-ray is performed. What is the most likely diagnosis? anterior labroligamentous periosteal sleeve avulsion Bankart lesion glenolabral articular disruption Hill-Sachs lesion Perthes lesion  Lip’s Guide to Neer’s I) Know proximal humeral fx’s classified into 4 potential parts: Humoral Head Greater Tuberosity Lesser Tuberosity Humeral Shaft II) Remember the rules: To qualify for 2+ part ® must satisfy: >1.0cm Displacement OR >45 degree angulation III) Count the number of displacements 1 Part ® Any fx