Five Ways of GI Bleeding Hematemesis: vomitting of blood of altered blood coffee grounds) indicates bleeding proximal to ligament of Treitz Melena: Tarry stool. Altered (black) blood per rectum(>60ml) Hematochezia: Bright red or maroon rectal bleeding implies bleeding beyond
Definition Cyanosis refers to bluish(带蓝色的 带青色的) color of the skin and mucous membranes resulting from an increased quantity of reduced hemoglobin(亚铁血 红蛋白;还原血红蛋白),orof hemoglobin derivatives, in the small blood vessels of those areas. It is usually most marked in the lips, nail beds(甲床),ears, and malar (颧骨的;颊的) eminences
Dyspnea is defined as an awareness of difficulty in breathing It is therefore a symptom, usually described by the patient as \shortness of breath,\whether the sensation is due to actual difficulty in breathing or is essentially an awareness of hyperventilation. If the symptom becomes striking, it always companies with dilatation of nares, cyanosis, use of accessory muscles of respiration and abnormalities of respiratory rate, depth or rhythm
Definition: Dyspnea is defined as an awareness of difficulty in breathing It is therefore a symptom, usually described by the patient as \short of breath,\ whether the sensation is due to actual difficulty in breathing or is essentially an awareness of hyperventilation. If the symptom becomes striking, it always companies with dilatation of nares, cyanosis, use of accessory muscles of respiration and abnormalities of respiratory rate, depth or rhythm
