Hemoglobin 12 vs 8 vs 6: When Is Anemia Dangerous & When Do You Need Blood?

Hemoglobin 12 vs 8 vs 6 g/dL—which level is dangerous, and when is blood transfusion actually needed? Learn the latest evidence-based transfusion thresholds, the important heart-attack exception, and why doctors should treat the patient—not just the Hb number. #Hemoglobin #Anemia #BloodTransfusion #CriticalCare #DrAfzalCriticalCareMedicine