Identify specific injuries to the thorax and abdomen area A. Anatomy 1. Part of rib is actually cartilage. Right Lung is divided into 3 lobes, Left Lung is divided into 2 lobes. Arteries flow blood away from the heart, veins flow blood towards the heart Coronary arteries flow blood to the rest of the heart itself. Heart attacks usually occur from a blockage of the coronary arteries.
Primary function is to filter out poisons from the blood.
Because injury to these structures could be life-threatening, the primary survey should be conducted. Bleeding will cause increase pressure on the heart, not allowing it to contract properly. Lungs A. Pneumothorax - air escapes the lung and accumulates in the pleural space, and puts external pressure on the lung. 2 common types of pneumothorax. Spontaneous pneumothrax - can result suddenly without trauma as a result of weakness in the lung wall.