Final answer:
The indication for the administration of blood in a 52-year-old patient with massive esophageal bleeding and a history of alcoholism would be a hemoglobin level below 10 g/dl and an inability to control bleeding via endoscopic sclerosing therapy. The options (A) and (C) are correct.
Step-by-step explanation:
The indication for the administration of blood in a 52-year-old patient with massive esophageal bleeding and a history of alcoholism would be:
- Hemoglobin less than 10 g/dl. A hemoglobin level below 10 g/dl indicates a significant decrease in red blood cells, which can lead to anemia and impaired oxygen transport.
- Inability to control bleeding via endoscopic sclerosing therapy. If bleeding cannot be controlled through endoscopic sclerosing therapy, transfusion of blood may be necessary to replace the lost blood volume and restore adequate oxygenation.
It is important to note that other factors may also influence the decision to administer blood, such as the patient's overall clinical condition and symptoms of hypo-perfusion, which can indicate inadequate perfusion and may warrant blood transfusion.