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ABO Blood Types and Transfusion Compatibility Table
A Blood Type:
 • RBC Antigens: A
 • Antibodies: Anti-B
ABO Blood Types ... Type: • RBC Antigens ... Type: • RBC Antigens ... Type: • RBC Antigens ... Type: • RBC Antigens
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
lgE - Soluble antigen ... IgM - Cell-bound antigen ... - Red blood cell ... with mismatched blood ... - Antigen-antibody
Humoral Immunity - Pathogenesis and Clinical Findings
Antigens (Ag) are produced from pathogens (bacteria, viruses, fungi, parasites)
Clinical Findings Antigens ... circulate in the blood ... re-exposure to antigen
Vaccine-induced immune thrombotic thrombocytopenia (VITT) is a rare but potentially serious adverse reaction that has been
the formation of blood ... clots in small blood ... suggests it is antigens
Ascites - Diagnostic Approach and Differential Diagnosis
The most common causes: cirrhosis, malignancy and heart failure. Approx
hazy, cloudy or bloody ... hemorrhagic: frank blood ... tests: Culture in blood ... , cytology/CEA antigen
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
Blood Product Transfusions ... screen - determines blood ... testing patient blood ... mismatch of donor antigens ... mismatch of minor antigens
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
• Total white blood ... 15% • Uremia (blood ... for pneumococcal antigen ... , Legionella antigen ... • Yield of blood
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
Blood Transfusion ... the banked donor blood ... mismatch of donor antigens ... mismatch of minor antigens ... in transfused blood
The following graph was prepared based on the latest information on Testing for the Diagnosis of
Viruses in the blood ... HIV virus in the blood ... 20, the HIV P24 Antigen ... appearing in the blood
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
of extravasated blood ... collection of blood ... weeks Type O blood ... Diagnosis VWF antigen