CHD
Terms
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- How common is CHD?
- 16% of all immune HA's; not so very common
- What are 2 forms of CHD?
- Acute or chronic
- What Ab class causes CHD?
- IgM
- Which type of CHD is better?
- Acute
- What are 3 causes of Acute CHD?
-
1. Lymphoprolif disorders
2. Mcoplasma pneumonia
3. Infectious mono - in whom is CHRONIC CHD commonly seen?
- Elderly, during cold weather
- What are the DAT results for CHD?
-
Reacts only with Complement, so:
Poly = 2-3+
Mono = 0
C3 = 2-3+
Ctrl = 0 - What are the IAT reactions seen in CHD?
-
IS = 4+
37 = 3+
IAT= 0-3+ - What is the most common SPECIFICITY of the antibody causing CHD?
- Anti-I
- When the occasional anti-i is seen causing CHD, why is it?
- Infectious mono
- What are the typical symptoms of CHD?
-
-Mild chronic anemia
-Occasional jaundice/pallor - When is episodic hemolysis seen in CHD?
- Upon cold exposure
- Is CHD treatable?
- Not really; just stay warm.