Janani Shared "Z Heme/Onc" - 73 Picmonics

With Picmonic, facts become pictures. We've taken what the science shows - image mnemonics work - but we've boosted the effectiveness by building and associating memorable characters, interesting audio stories, and built-in quizzing. Whether you're studying for your classes or getting ready for a big exam, we're here to help.

Z Heme/Onc

Erythropoiesis
Young Liver Synthesizes Blood
Yolk Sac: wk 3-8
Liver wk 6 to birth
Spleen: wk 10-28
Bone Marrow: wk 18-adult
Acute Intermittent Porphyria (AIP)
Pathophysiology
Autosomal Dominant
Inhibited Porphobilinogen Deaminase
Increased Serum Porphobilinogen
Increased Serum Delta-ALA
Increased Urinary Porphyrins
Signs & Symptoms
Precipitated By P450 Inducers
Painful Abdomen
Polyneuropathy
Psychological Disturbances
Port Wine-Colored Urine
Treatment
Glucose and Hemin
Considerations
Avoid Triggers
3 mins
Porphyria Cutanea Tarda (PCT)
Pathophysiology
Inhibited Uroporphyrinogen Decarboxylase (UROD)
Most Common Porphyria
20% Autosomal Dominant
80% Sporadic Type
Hepatitis C Association
Signs & Symptoms
Photosensitivity
Blistering of Skin
Tea Colored Urine
Diagnosis
Increased Uroporphyrins (Urinary & Serum)
Treatment
Avoid Sunlight
Phlebotomy
Hydroxychloroquine (Low Dose)
3 mins
Types of Blood Products
Types
Whole Blood
Packed Red Blood Cells
Fresh Frozen Plasma
Immunoglobulins
Clotting Factors
Albumin
Platelets
Considerations
Use within 24 Hours
Washing Removes Antibodies
Irradiation Destroys WBCs
2 mins
IV Solutions
Hypotonic (< 280 mOsm/L)
1/4 Normal Saline (0.225% NaCl)
1/2 Normal Saline (0.45% NaCl)
Isotonic (280-300 mOsm)
Normal Saline (0.9% NaCl)
Lactated Ringer's (LR)
Dextrose 5% in Water (D5W)
Hypertonic (> 300 mOsm)
3% or 5% NaCl
Dextrose 5% in 0.45% NaCl
Dextrose 10% in Water (D10W)
3 mins
Immune/Idiopathic Thrombocytopenic Purpura (ITP)
Anti-GPIIb/IIIa or Anti-GPIb/IX Antibodies (IgG)
Splenic MO phagocytose Ag-Ab complexes --> Splenomegaly
Acute: Children, post-viral
Elevated Thrombopoietin (TPO)
Sx: Easy Bruising/Bleeding, Petechiae, Epistaxis, Gingival Hemorrhage
Dx: Increased Megakaryocytes (BMBx), Large Platelets, Thrombocytopenia, Nml. PT & PTT
Tx: Steroids, Plt Infusions, IVIG | Rituximab, Splenectomy, TPOR Agonists
Thrombotic Thrombocytopenic Purpura (TTP)
Inhibition or deficiency of ADAMTS 13
vWF Multimers are not degraded
Microthrombi (and Emboli)
Symptoms
FAT RN Pentad
Fever
Anemia
Thrombocytopenia
Renal Dysfunction
Neurologic Abnormalities (Altered Mental status)
Treatment
Plasmapheresis
Corticosteroids
Splenectomy
2 mins
Hemolytic Uremic Syndrome (HUS)
Children
Pathophysiology
Preceded by Acute Diarrheal Illness
Endothelial Damage
Classic Triad of Symptoms
Microangiopathic Hemolytic Anemia (MAHA)
Thrombocytopenia
Renal Failure
Labs
Helmet cells
LDH
Treatment
Dialysis
Supportive
2 mins
Bernard-Soulier Syndrome
Mechanism
Autosomal Recessive
Deficiency of Glycoprotein Ib (GpIb) Receptor
Symptoms
Mucosal Membrane Bleeding
Menorrhagia
Easy Bruising
Labs
Large Platelets
Increased Bleeding Time
No Platelet Agglutination with Ristocetin
3 mins
Glanzmann Thrombasthenia
Pathophysiology
Autosomal Recessive or Acquired as an Autoimmune Disorder
Deficiency of Glycoprotein IIb/IIIa (Gp IIb/IIIa) Receptor
Defective Platelet-to-Platelet Aggregation
Symptoms
Mucous Membrane Bleeding (Gingival Bleeding)
Easy Bruising
Increased Bleeding Time
Normal Platelet Count
Considerations
Avoid NSAIDs
2 mins
Von Willebrand Disease
Mixed platelet and coagulation disorder
Mechanism
Autosomal Dominant Condition Leading to Reduced vWF
Defect in platelet plug formation
Labs
Increased Bleeding Time
PTT increased
Factor VIII decreased
Normal platelet count
Treatment
DDAVP (synthetic vasopressin)
1 min
Vitamin K
Sources
Dark Green Leafy Vegetables
Synthesized by Intestinal Flora
Mechanism
Activated by Epoxide Reductase
Gamma Carboxylation of Glutamate
Activation of Clotting Factors II, VII, IX, X, Protein C and S
Considerations
Deficiency with Broad Spectrum Antibiotics
Neonatal Hemorrhage with Increased PT and aPTT
Warfarin is a Vitamin K Antagonist
4 mins
Heparin Induced Thrombocytopenia (HIT)
Pathophysiology
5-10 Days After Heparin Exposure
Heparin-Platelet Factor 4 Complex
Autoantibodies Form Against Complex
Heparin-Platelet Factor 4-Antibody Complex Binds Platelets
Platelet Aggregation
Procoagulant Release
Symptoms
Thrombocytopenia
Diagnosis
Serotonin Release Assay (SRA)
Treatment
Stop Heparin, Start Direct Thrombin Inhibitor
2 mins
Disseminated Intravascular Coagulation (DIC)
Pathophysiology
Bleeding state
Activation of clotting factors
Deficiency of clotting factors
Causes
Sepsis
Trauma
Obstetric complications
Acute Pancreatitis
Malignancy
Nephrotic Syndrome
Transfusion
2 mins
Protein C or S Deficiency
Pathophysiology
Autosomal Dominant
Inability to Inactivate Factor Va and VIIIa
Symptoms
Hypercoagulable State
Recurrent DVTs or DVTs at Young Age
Treatment
Begin Heparin
Slowly Bridge to Warfarin
Hemorrhagic Skin Necrosis
2 mins
Factor V Leiden Thrombophilia
Pathophysiology
Most Common Genetic Clotting Disorder in Caucasians
Genetic Point Mutation
Glutamine Replaces Arginine
Mutant Factor V
Resistant to Degradation by Activated Protein C
Symptoms
Hypercoagulability
Recurrent DVT (Increased Risk of Thromboembolism)
Considerations
Avoid Oral Contraceptives
Caution During Pregnancy
2 mins
Iron Deficiency Anemia
Causes
Malnutrition/Malabsorption
Hemorrhage
Signs
Microcytic, Hypochromic Anemia
Decreased Heme Synthesis
Labs
Decreased Reticulocytes
Decreased Ferritin
Increased Red Cell Distribution Width (RDW)
Poikilocytosis
Anisocytosis
Increased Central Pallor
2 mins
Plummer-Vinson Syndrome
Triad of Symptoms
Dysphagia
Esophageal Webs
Glossitis
Iron Deficiency Anemia
Association
Squamous Cell Cancer of Esophagus
1 min
Sideroblastic Anemia
defective protoporphyrin synthesis
iron trapped in mitochondria
causes
congenital defect (ALAS enzyme)
vitamin B6 deficiency (cofactor for ALAS)
lead poisoning (inhibits ALAD & ferrochelatase)
Alcoholism
basophilic stippling (on periph. smear) (= rRNA accum. [bc rRNA degradation inhibited])
ringed sideroblasts (in bone marrow)
Lead Antidotes
Antidotes
Penicillamine
Dimercaprol
CaEDTA
Succimer
58 secs

Ace Your Medicine (MD/DO) Classes & Exams with Picmonic:

Over 1,090,000 students use Picmonic’s picture mnemonics to improve knowledge, retention, and exam performance.

Choose the #1 Medicine (MD/DO) student study app.

Picmonic for Medicine (MD/DO) covers information that is relevant to your entire Medicine (MD/DO) education. Whether you’re studying for your classes or getting ready to conquer the USMLE Step 1, USMLE Step 2 CK, COMLEX Level 1, or COMLEX Level 2, we’re here to help.

Works better than traditional Medicine (MD/DO) flashcards.

Research shows that students who use Picmonic see a 331% improvement in memory retention and a 50% improvement in test scores.

It's worth every penny