You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Best test for oesophageal varices is and explain in detail?
B. i.e. (Gastro - oesophagoscopy) (1089 - B &L) (897 - S. Das 5th)Endoscopy - upper GI endoscopy represents the most reliable single technique as it shows the oesophageal varix and bleeding point* Dilated longitudinal veins running a Zig- Zag course*** Diffuse esophageal spasm is best diagnosed by Manometry**Management of bleeding oesophageal varices* Blood transfusion* Correct coagulopathy* Oesopageal balloon tamponade (Sengstaken - Blakemore tube)*** Drug therapy (Vasopressin /Octreotide)* Endoscopic sclerotherapy or banding* Assess portal vein potency (Doppler USG or CT)* Transjugular intrahepatic portosystemic stent shunts (TIPSS) (Contraindicated in portal vein occlusion)* Surgery- Portosystemic shunts- Oesophageal transaction- Splenectomy and gastric devascularisation* Commonest cause of acute upper GI haemorrhage - Peptic ulcer**