While blood transfusions are often life-saving, they can also carry certain hazards or risks, ranging from mild to severe. Here's a detailed overview: ⚠️ Hazards of Blood Transfusion 🧪 1. Allergic Reactions - Symptoms: Hives, itching, rash - Cause: Immune response to proteins in donor blood - UsuallRead more
While blood transfusions are often life-saving, they can also carry certain hazards or risks, ranging from mild to severe. Here’s a detailed overview:
⚠️ Hazards of Blood Transfusion
🧪 1. Allergic Reactions
– Symptoms: Hives, itching, rash
– Cause: Immune response to proteins in donor blood
– Usually mild and treatable with antihistamines
🌡️ 2. Febrile Non-Hemolytic Reaction (FNHTR)
– Symptoms: Fever, chills
– Cause: Reaction to white blood cells in transfused blood
– Can be reduced by leucoreduction (removing white cells)
🩸 3. Acute Hemolytic Reaction
– Symptoms: Fever, chills, chest/back pain, dark urine
– Cause: Mismatch in blood type; immune system attacks transfused red cells
– Can lead to kidney damage and is potentially life-threatening
🦠 4. Transmission of Infections
Despite rigorous screening, there’s a very small risk of transmitting:
– HIV (1 in 2 million chance)
– Hepatitis B (1 in 300,000)
– Hepatitis C (1 in 1.5 million)
– West Nile Virus (1 in 350,000)
5. Respiratory Complications
– Includes TRALI (Transfusion-Related Acute Lung Injury)
– Sudden onset of breathing difficulty
– Requires immediate medical attention
🧬 6. Iron Overload
– Occurs in patients receiving multiple transfusions (e.g., thalassemia)
– Excess iron can damage organs like the liver and heart
🧠 7. Immunomodulation
– Transfusion may alter immune response
– Can increase risk of infections, organ dysfunction, and longer hospital stays
Hemoglobin (Hb or Hgb) is a protein in red blood cells that plays a crucial role in transporting gases throughout the body. Here's a concise explanation: 🩸 What Is Hemoglobin? - Function: Hemoglobin carries oxygen from the lungs to tissues and returns carbon dioxide from tissues to the lungs for exhRead more
Hemoglobin (Hb or Hgb) is a protein in red blood cells that plays a crucial role in transporting gases throughout the body. Here’s a concise explanation:
🩸 What Is Hemoglobin?
– Function: Hemoglobin carries oxygen from the lungs to tissues and returns carbon dioxide from tissues to the lungs for exhalation.
See less– Structure: It consists of four globin chains—two alpha and two beta in adults—each bound to a heme group containing iron.
– Iron Role: The iron in heme binds oxygen, giving blood its red color and enabling oxygen transport.
– Importance: Without hemoglobin, cells wouldn’t receive enough oxygen, leading to fatigue, weakness, and other symptoms of anemia.