CAISS – Thorax Questions and Answers 100% Pass

CAISS – Thorax Questions and Answers 100% Pass What does AIS define as part of the Chest? Skin (excluding shoulder girdle & sternoclavicular region), Trachea & Esophagus below the sternal notch, bronchus, diaphragm, heart, lungs, rib cage, sternum, Thorcic vessels(including thoracic aorta & vena cava), Thoracic Spine What does ISS consider as part of the Chest? AIS Thorax Chapter, Thoracic Spine, Drowning How is an "Open" chest wound defined? Defined as a sucking chest wound What region of the chest fills partly or complete with air, blood or mixture for a pneumothorax, hemothorax, or hemopneumothorax? Intrapleural space. What does the presence of air in the intrapleural space indicate? Tears in the airway or chest wall, pneumothorax What does the presence of blood in the intrapleural space indicate? Torn blood vessels, hemothorax If a patient has flail and non-flail ribs on the right side how would you code? Unilateral flail chest and rib fractures without flail are coded only as flail. How would you code rib fractures if the patient had flail on the right and no flail on the left? Code as two separate injuries Define flail chest. Three or more adjacent ribs each fractured in two or more places Is a costal cartilage fracture considered a rib fracture? Yes What is necessary to code lung contusion? History of trauma & verified by imaging or autopsy. Can you code both a lung contusion and lung laceration? Yes. Each are considered independent injuries in the chest If chest trauma is only diagnosised by it's sequela with no specific information how would you code? Thoracic injury NFS What sequela's in the chest can be coded? Air Embolus and Tamponade When are branches of vessels coded? When the primary vessel is named. How should an "incomplete transaction" of a vessel be coded? Incomplete circumferential involvement What are the named arteries in the Thoracic region? Thoracic Aorta, Brachiocephalic, Pulmonary, Coronary, Subclavian What is defined under "Other Named Arteries?" Intercostal, Internal Mammary, Esophageal, Bronchial What are the named veins in the thoracic region? Brachiocephalic, Pulmonary, Subclavian, Vena Cava What are the "Other Named" veins in the thoracic region? Azygos, bronchial, esophageal, hemiazygos, intercostal, internal jugular, internal mammary What Nerve(s) are coded in the thorax? Vagus A through and through GSW that does not interfere with any anatomical structure should be coded as? Soft Tissue Penetrating injury What symptoms can be used to code a minor heart contusion? Dysrhythmia, wall motion abnormality, ECG changes not related to CAD. How many lobes in each lung? 2 - Superior & Inferior What is considered a major lung laceration? A laceration in more >1 lobe Can a lung contusion be coded if imaging notes atelectasis? No What is the fibrous connection between the valve and muscles of the heart? Intracardiac Chordae Tendineae What divides the right and left ventricle of the heart? Intracardiac Septum What does "Hemo" mean? Blood When air is in the bloodstream. Air Embolus What does "Pneumo" mean? Air Where is the mediastinum located? between the lungs When using AIS coding for ribs do you are right ribs coded separately from left? No. Should be coded as an anatomical structure....unless there is flail on one side and non-fail on the other. What is a persistent air leak? It is an air leak that lasts more than 48 hours. Injury is more severe than a pneumothorax. Other name for Intercardiac septum Intraventricular Septum How is degloving coded in the Thorax? Coded as an Avulsion How is the Intracardiac Chordae Tendinae coded? Severity 5 includes the Papillary Muscle injury How much blood loss indicates greater than 20% 1000 cc for majority. For Peds and individuals with smaller blood volumes use 20% How is a thoracic injury NFS coded? Thoracic Cavity Injury. Code to severity 9 How is a Traumatic Pneumatocele coded? It is a sequela resulting from a pulmonary injury How should an airway burn to the nose, mouth and lungs be coded? Code to the lungs do not code the mouth or pharynx separately How should scattered lung contusions be coded? Coded to the unilateral or bilateral NFS code How is a Mediastinal contusion coded? Coded to the hemomediastinum How are lacerations to the bladder wall outside the peritoneal cavity associated? Fracture of the the pelvis How are lacerations to the bladder wall within the peritoneal cavity associated? Blow to the abdomen What are the layers surrounding the lungs Parietal Pleura, Visceral Pleura and intrapleural space Define Parietal Pleura This lines the pulmonary cavity Hemothorax, pneumothorax, air embolus, tamponade Pleural membrane lining the lungs Define Intrapleural space This is the portion between the Parietal and Visceral Pleura Define pneumothorax When the intrapleural space fills partly or completely with air. The presence of air is related to tears in the airway or chest wall Define hemothorax accumulation of blood in the pleural space. The presence of blood signifies torn blood vessels How would you code a patient with Flail on the right side and Non-Fail on the left? Code as individual injuries How would you code a patient with Flail and non-flail on the right side? Coded only as Flail What sequela events are coded in the chest? Massive penetrating injury excludes the coding of what? Excluded coding to Vessel Injuries