Clinical Significance of a Positive Reaction for Blood

Question 1

What clinical conditions are associated with a positive reaction for blood in the urine (hematuria)?

Answer 1

• Renal calculi
• Glomerulonephritis
• Pyelonephritis
• Tumors
• Trauma
• Exposure to toxic chemicals
• Anticoagulants
• Strenuous exercise

RG TP TEAS”

Question 2

What are some clinical significances of a positive reaction for blood in the context of hemoglobinuria?

Answer 2

• Transfusion reactions
• Hemolytic anemias
• Severe burns
• Infections/malaria
• Strenuous exercise/red blood cell trauma
• Brown recluse spider bites

“ TBH SIS”

Question 3

What are some clinical conditions associated with a positive reaction for blood in the context of myoglobinuria?

Answer 3

• Muscular trauma/crush syndromes
• Prolonged coma
• Convulsions
• Muscle-wasting disease
• Alcoholism/overdose
• Drug abuse
• Extensive exertion
• Cholesterol-lowering statin medications