system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 60-year-old male presents with haematuria at the onset of micturition - the cause is -
assistant
The correct answer is  Relation of hematuria to micturition Site of bleeding Blood appears at the begining Urethra Blood appears at the end Vesical Blood is intimately mixed throughout the process Prerenal, renal or Vesical ref : S. Das manual 4/e p408