A 40 year old male came with complaints of easy fatigability since 1 year (on & off) Shortness of breath since 5-6 months HOPI: Pt was apparently asymptomatic 1 year back he then noticed having easy fatigability - feeling tired on doing minimal work insidious in onset and gradually progressive. C/o shortness of breath since 5-6months insidious in onset and gradually progressive grade ll to grade lll (now) C/o decreased appetite since 1 month, Normal urine output C/o blood in stools (on & off) since 1 year with fresh blood streaks. No h/o constipation, difficulty on passing stools No c/o fever ,pain abdomen,cold,cough, burning micturition, vomitings,nausea,blood in urine. No h/o chest pain,orthopnea,PND, palpitations, giddiness, sweating. C/o generalized weakness of body since 5-6 months. Not a k/c/o DM,HTN,CVA,CAD, Epilepsy, Thyroid diseases, Bronchial Asthma. Personal history: Ocassionally Alcoholic and stopped 10years back Tobacco smoking since 20 years No h/...