Pics 3: anemia/iron Flashcards
Hemolysis overview: hereditary vs acquired
DAT and indirect DAT
Ddx DAT positive
Mechanisms of hemolysis
WAIHA
Cold AIHA
WAIHA 1L rx
DDX DAT neg
Cold agglutinin syndromes:
Causes in 3 categories
WAIHA 2L Rx
WAIHA emerging and upcoming therapies and targets
WAIHA 3L/4L
AIHA types review chart
PCH lab features
Cold acting antibody diseases
But 1 isn’t hemolytic
CAD and PCH vs cryoglobulinemia
Mechanisms of DI AIHA
3 mechanisms
PNH symptoms/signs
Body diagram
Eculizumab diagram, MOA
Summary diagram of compliment inhibitors, including new ones
PNH summary slide
Anemia approach
Hemolytic anemias
Clinical symptoms/course/complications
B12 and folate absorption
Various classification schemas of hemolytic anemias
High yield teaching points: Anemia summary slide
HS
HE
G6PD
PK
megaloblastic
pernicious anemia
Copper def
Complications of chronic hemolysis: pathophys picture
RBC cytoskeleton and groups of membranopathies
G6PD drugs
Membraneopathy genetics
HS
HE/HPP
Ddx DAT patterns
Chart: immune injury to RBCs by type:
Warm Ab
Cold Ab
Mixed Ab
Drug induced hemolysis
Mechanisms of drug induced hemolytic anemias:
3 prototypical types
plus protein adsorption affecting DAT
Complement cascade with inhibitors
DDX fragmentation hemolysis
Factors changing dietary iron absorption
Underproduction anemias by MCV
Plus “other” category
Causes of IDA
Lab findings related to iron:
normal, iron depletion, iron restricted erythropoiesis, IDA
Iron studies/Labs
IDA vs AOCD
Causes B12 def
Causes folate def
Supportive care for acute porphyria
Anemia in Older adults
Approach
Classification of PRCA
Congenital vs acquired
Different secondary causes
Algorithm for diagnosis of acute porphyrias
Which are treated with Hemin?
Order of lab testing?
Acute porphyrias table
4 types
Blistering cutaneous porphyria table
3 types
Nonblistering cutaneous porphyria table
2 types
Heme synthesis pathway
Start where?
Mitochrondial and cytosolic steps?
Iron overload
Assessment of overload status and monitoring for A/Es of chelators
Chelator agents table
Hemochromatosis natural history
Effects over lifetime
Consequences of free iron, oxidative stress and response to oxidative stress
HFE genotypes
Common?
Which can cause HH?
Hepcidin regulation
By transferrin binding
Iron balance regulation
Hepcidin and the liver
Intestinal iron absorption
Picture with channels etc
Chelation: adverse effects
Body iron homeostasis
IV iron preparations
Indications
Test dose needed/black box warning?
Iron high yield teaching points:
PO iron
IV iron
Hepcidin
IRIDA
Anemia of inflam
HH
Deferiprone
Sideroblastic anemia
Iron movement in body: simplified diagram
Diet iron and absorption
Modifiers of absorption
Hepatocyte and hepcidin regulation of iron
Iron mediated regulation of hepcidin
Inflammation regulation of hepcidin
Erythroferrone and hepcidin
Hepatocyte: systemic iron regulation
By hepcidin
By ferroportin
Iron restricted erythropoiesis picture
Manifestations of iron overload
HFE hemochromatosis summary slide
Hepcidin -> ferroportin -> iron metabolism
Summary of IDA, AOCD, HH, Iron loading anemia