My brother in law , 30years, ht 169cms , wt 42kgs, very slim and weak.He is depressed. His B.P is very low 90/50. Blood Heamoglobin 14. Chest X-ray and E.C.G was normal. What is your opinion. My brother in law 30years, ht 169cms , wt 42kgs, very slim and weak.He is depressed. His B.P is very low 90/50. Blood Heamoglobin 14. Chest X-ray and E.C.G was normal. What is your opinion.