Symptomatic anemiaMANAGEMENT

HEMATOLOGIC AND ONCOLOGIC PRESENTATIONS · 12 SECTIONS

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711 items

☷ Legend

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Cardiovascular Presentations66▾

Respiratory Presentations47▾

Neurological Presentations77▾

Gastrointestinal Presentations63▾

Genitourinary and Reproductive Presentations44▾

Infectious Disease Presentations146▾

Trauma Presentations88▾

Toxicologic Presentations67▾

Psychiatric Presentations25▾

Musculoskeletal and Rheumatologic Presentations89▾

Dermatology Presentations21▾

Environmental and Exposure Presentations26▾

Hematologic and Oncologic Presentations30▾

Acute chest syndrome Acute Hemolytic Transfusion Reaction Aplastic Anemia (Crisis)Autoimmune Hemolytic Anemia Coagulopathy Delayed Hemolytic Transfusion Reaction Disseminated Intravascular Coagulation (DIC)Essential Thrombocythemia Febrile Non-hemolytic Transfusion Reaction Graft Versus Host Disease (Acute)Hemolytic Uremic Syndrome (HUS)Hemophilia A (Bleeding Crisis)Heparin-Induced Thrombocytopenia (HIT)Hyperviscosity syndrome Immune Thrombocytopenic Purpura (ITP)Leukemoid Reaction Myelofibrosis Paroxysmal Nocturnal Hemoglobinuria Polycythemia Vera (Crisis)Pure Red Cell Aplasia Sickle Cell (Acute Chest Syndrome)Sickle Cell (Splenic Sequestration)Sickle cell crisis (vaso-occlusive)Symptomatic anemia Thrombocytopenia (severe)Thrombotic Thrombocytopenic Purpura (TTP)Transfusion-Associated Circulatory Overload (TACO)Transfusion-Related Acute Lung Injury (TRALI)Tumor lysis syndrome Von Willebrand Disease (Bleeding)

Pediatric-Specific Presentations13▾

Endocrine and Metabolic Presentations42▾

ENT and Maxillofacial Presentations21▾

Ophthalmologic Presentations15▾

Obstetric Presentations17▾

Systemic and Miscellaneous Presentations15▾

01Approach to the Critical Patient/attcp80

Triage and immediate stabilization

›Unstable symptomatic anemia

›Airway risk

›Altered mental status

›Active emesis

›Breathing compromise

›Severe dyspnea at rest

›Hypoxemia despite oxygen

›Circulation failure

›Shock index greater than 1

›SBP less than 90 mmHg

›Lactate greater than 4 mmol/L

›Ongoing uncontrolled bleeding

›Immediate actions

›Escalate to resuscitation bay for shock or active hemorrhage

›Initiate transfusion while diagnostics pending if life-threatening physiology

›Activate massive transfusion protocol if suspected major hemorrhage

›If chest pain with ischemic ECG changes, cardiology consult and transfusion planning

Monitoring and access

›Physiologic monitoring

›Continuous ECG monitoring

›Ischemia

›Arrhythmia

›Continuous pulse oximetry

›Hypoxemia

›Frequent blood pressure cycling

›Hypotension

›Response to transfusion

›Temperature monitoring

›Hypothermia during transfusion

›Vascular access

›Peripheral IV access

›Two large bore IVs if bleeding concern

›If poor access and unstable, intraosseous access

›If ongoing transfusion or vasopressors, central venous access

Early decision points

›Etiology framework

›Acute blood loss

›External bleeding

›GI bleeding

›Obstetric bleeding

›Trauma

›Hemolysis

›Immune hemolysis

›Microangiopathic hemolysis

›Decreased production

›Iron deficiency

›B12 deficiency

›Folate deficiency

›Marrow failure or infiltration

›Dilutional anemia

›Large volume crystalloid

›Transfusion decision triggers

›Tissue hypoperfusion signs

›Syncope

›Angina

›Heart failure

›Persistent tachycardia

›Hypotension

›Rising lactate

›Special risk states

›Coronary artery disease

›Symptomatic heart failure

›Significant pulmonary disease

Coding and standardization

›Medical coding anchors

›ICD-10 anemia unspecified

›D64.9

›ICD-10 iron deficiency anemia

›D50.9

›ICD-10 acute posthemorrhagic anemia

›D62

›ICD-10 B12 deficiency anemia

›D51.9

›ICD-10 folate deficiency anemia

›D52.9

›ICD-10 autoimmune hemolytic anemia

›D59.1

›SNOMED CT concepts

›Anemia

›Iron deficiency anemia

›Acute posthemorrhagic anemia

›Hemolytic anemia

›Gastrointestinal hemorrhage

02History/hx112

Symptom pattern and severity

›Symptom burden

›Dyspnea

›Exertional

›At rest

›Chest pain

›Exertional

›Rest pain

›Presyncope or syncope

›Orthostatic

›Exertional

›Palpitations

›New onset

›Known arrhythmia

›Fatigue and exercise intolerance

›Rapid onset

›Progressive

›Headache or cognitive slowing

›New

›Worsening

›Heart failure symptoms

›Orthopnea

›PND

›Leg edema

Bleeding and volume loss clues

›Bleeding history

›GI bleeding

›Hematemesis

›Coffee ground emesis

›Melena

›Hematochezia

›Gynecologic bleeding

›Heavy menstrual bleeding

›Postpartum bleeding

›Postmenopausal bleeding

›Trauma or surgery

›Recent procedure

›Significant bruising

›Epistaxis or mucosal bleeding

›Recurrent

›Prolonged

›Hematuria

›Gross

›Microscopic

Hemolysis and production clues

›Hemolysis features

›Dark urine

›After infection

›After new medication

›Jaundice symptoms

›Pruritus

›Yellowing

›Back or abdominal pain

›Acute

›Reduced production features

›Dietary restriction

›Vegan diet

›Poor intake

›Malabsorption risk

›Celiac disease

›Bariatric surgery

›Chronic inflammation

›Autoimmune disease

›Chronic infection

›Kidney disease symptoms

›Known CKD

›Dialysis

›Malignancy red flags

›Weight loss

›Night sweats

›Bone pain

Medications and comorbid risk

›Medication exposures

›Anticoagulants

›DOAC

›Warfarin

›Heparin

›Antiplatelets

›ASA

›P2Y12 inhibitor

›NSAIDs

›Daily use

›Recent escalation

›Chemotherapy or radiation

›Recent cycle

›Marrow suppression timing

›Hemolysis triggers

›New antibiotics

›Oxidant drugs in G6PD risk

›Cardiorespiratory reserve

›Coronary artery disease

›Prior MI

›Stent history

›Heart failure

›Reduced EF

›Recent decompensation

›COPD or ILD

›Home oxygen

›Exacerbations

Transfusion and pregnancy history

›Transfusion history

›Prior transfusion reactions

›Febrile nonhemolytic

›Allergic

›TRALI history

›Alloimmunization risk

›Multiple prior transfusions

›Sickle cell disease

›Special product needs

›Irradiated products

›CMV negative products

›Pregnancy status

›Current pregnancy possibility

›LMP timing

›Contraception reliability

›Postpartum period

›Days since delivery

03Physical Exam/exam68

General and hemodynamics

›Global appearance

›Pallor

›Conjunctival

›Palmar

›Distress

›Work of breathing

›Inability to speak full sentences

›Mental status

›Confusion

›Somnolence

›Vital sign patterns

›Tachycardia

›Persistent after fluids

›Hypotension

›Orthostatic drop

›Tachypnea

›Respiratory alkalosis pattern

›Fever

›Infection trigger

›Febrile transfusion reaction concern after transfusion

Cardiopulmonary findings

›Cardiac exam

›Flow murmur

›New systolic murmur

›Volume status

›JVP

›Peripheral edema

›Perfusion

›Capillary refill delay

›Cool extremities

›Lung exam

›Rales

›Transfusion associated circulatory overload risk

›Heart failure

›Wheeze

›COPD exacerbation

›Hypoxemia signs

›Cyanosis

›Increased work of breathing

Bleeding and hemolysis signs

›Skin and mucosa

›Petechiae

›Platelet disorder clue

›Purpura or ecchymoses

›Coagulopathy clue

›Gingival bleeding

›Hematologic disorder clue

›Abdominal exam

›Tenderness

›GI bleed source concern

›Hepatosplenomegaly

›Hemolysis

›Hematologic malignancy

›Jaundice

›Scleral icterus

›Hemolysis

›Liver disease

Focused exams by context

›GI bleeding exam

›Rectal exam findings

›Melena

›Hematochezia

›Gynecologic bleeding exam

›Pelvic exam indication flags

›Heavy bleeding with instability

›Concern for retained products postpartum

›Neurologic exam

›Focal deficits

›Stroke mimic from hypoperfusion

›Ataxia and vibration sense

›B12 deficiency clue

04Differential Diagnosis/ddx41

Life threatening causes

›Immediate threats

›Acute hemorrhage

›Upper GI bleed ICD-10 K92.2

›Lower GI bleed ICD-10 K62.5

›Ectopic pregnancy ICD-10 O00

›Postpartum hemorrhage ICD-10 O72

›Trauma related hemorrhage ICD-10 T79.4

›Hemolytic crisis

›Autoimmune hemolytic anemia ICD-10 D59.1

›TTP ICD-10 M31.1

›HUS ICD-10 D59.3

›Sickle cell hemolysis ICD-10 D57

›Severe marrow failure

›Aplastic anemia ICD-10 D61.9

›Acute leukemia ICD-10 C95.0

Common etiologies by pattern

›Microcytic anemia patterns

›Iron deficiency anemia ICD-10 D50.9

›Chronic blood loss

›Dietary deficiency

›Malabsorption

›Thalassemia trait ICD-10 D56.3

›Longstanding microcytosis

›Normocytic anemia patterns

›Acute blood loss anemia ICD-10 D62

›Anemia of chronic disease ICD-10 D63.8

›CKD related anemia ICD-10 D63.1

›Hemolysis

›Macrocytic anemia patterns

›B12 deficiency anemia ICD-10 D51.9

›Folate deficiency anemia ICD-10 D52.9

›Alcohol related macrocytosis

›Myelodysplastic syndrome ICD-10 D46.9

Mimics and alternate explanations

›Symptom mimics

›Sepsis with high output physiology

›Pulmonary embolism ICD-10 I26.99

›Acute coronary syndrome ICD-10 I21.9

›Thyrotoxicosis ICD-10 E05.90

›Anxiety or panic state

›Pseudonanemia or dilution

›Hemodilution after large volume IV fluids

›Pregnancy related plasma volume expansion

05Laboratory Tests/lt60

Initial core labs

›Baseline hematology

›Complete blood count with indices

›Hemoglobin trend

›MCV classification

›RDW pattern

›Reticulocyte count

›Low reticulocyte index for hypoproliferation

›High reticulocyte count for bleeding or hemolysis

›Peripheral smear

›Schistocytes for microangiopathy

›Spherocytes for immune hemolysis

›Target cells for thalassemia or liver disease

›Chemistry and perfusion

›Basic metabolic panel

›Creatinine for CKD anemia context

›Potassium for hemolysis or renal failure

›Lactate

›Tissue hypoperfusion marker

›Venous blood gas

›pH

›pCO2 mmHg

›HCO3 mmol/L

Bleeding and transfusion preparation

›Hemostasis labs

›INR

›Warfarin effect

›Liver dysfunction

›aPTT

›Heparin effect

›Fibrinogen

›Massive hemorrhage consumption

›Transfusion testing

›Type and screen

›Antibody screen positivity triggers extended crossmatch

›Type and crossmatch

›Anticipated transfusion greater than 2 units

›If life-threatening bleeding, uncrossmatched O negative or O positive per local protocol

Hemolysis and nutrient evaluation

›Hemolysis panel

›LDH

›Elevated in hemolysis

›Haptoglobin

›Low in intravascular hemolysis

›Bilirubin

›Indirect predominance in hemolysis

›Direct antiglobulin test

›Positive in immune hemolysis

›Nutrient studies

›Ferritin

›Low ferritin supports iron deficiency

›Normal or high ferritin with inflammation limits interpretation

›Transferrin saturation

›Low in iron deficiency

›Vitamin B12 level

›Low supports deficiency

›Folate level

›Low supports deficiency

Infection and inflammation context

›Additional labs by suspicion

›CRP

›Inflammatory anemia context

›Blood cultures if fever with instability

›Pregnancy test in patients with pregnancy potential

06Diagnostic Tests/dt57

Scoring Systems

›Risk stratification tools

›GI bleed risk in anemic patient

›Glasgow Blatchford score

›Hemoglobin component included

›Urea component included

›SBP component included

›Melena component included

›Syncope component included

›Hepatic disease component included

›Heart failure component included

›Clinical use

›Low score supports outpatient pathway if stable and no ongoing bleeding

›High score supports admission and urgent endoscopy planning

›Hemodynamic severity

›Shock index

›Greater than 1 supports high risk hemorrhage physiology

MRI

›MRI indications

›Suspected marrow infiltration

›Diffuse marrow replacement pattern

›Malignancy staging

›Neurologic symptoms with B12 deficiency concern

›Myelopathy evaluation

›Occult bleeding workup in select cases

›Pelvic MRI for gynecologic source when ultrasound nondiagnostic

›MRI limitations

›Not time-critical for most acute symptomatic anemia presentations

›Limited availability in unstable patients

›CT use cases

›Suspected internal bleeding

›CT angiography for active GI bleeding localization

›CT abdomen pelvis for retroperitoneal bleed

›Suspected malignancy source

›CT chest abdomen pelvis for occult cancer evaluation when indicated

›Trauma related anemia

›CT trauma protocol per mechanism and exam

›CT considerations

›Contrast nephropathy risk in CKD

›Pregnancy radiation considerations

›ACEP Level B recommendation framing

›CT angiography for suspected ongoing internal bleeding when unstable despite resuscitation

Ultrasound

›Point of care ultrasound

›RUSH style assessment in shock

›Cardiac contractility

›Pericardial effusion

›IVC size and collapsibility

›Lung B lines for volume overload

›FAST exam in trauma

›RUQ free fluid

›LUQ free fluid

›Pelvic free fluid

›Pericardial effusion

›Obstetric and gynecologic bleeding

›Intrauterine pregnancy evaluation

›Retained products postpartum concern

›Ultrasound limitations

›Negative FAST does not exclude retroperitoneal bleeding

›Limited sensitivity for slow GI bleeding

07Disposition/dispo44

Level of care selection

›Admission criteria

›Persistent symptoms at rest

›Dyspnea at rest

›Ongoing chest pain

›Syncope

›Hemodynamic instability

›SBP less than 90 mmHg

›Persistent tachycardia after resuscitation

›Ongoing or suspected active bleeding

›Melena or hematochezia with anemia

›Hematemesis

›High risk comorbidity

›Coronary artery disease with ischemic symptoms

›Heart failure exacerbation

›Severe COPD with hypoxemia

›Suspected hemolysis or marrow failure

›Schistocytes

›Platelets low with anemia

›Neutropenia with anemia

›ICU or stepdown triggers

›Vasopressor requirement

›Massive transfusion protocol activation

›Severe hypoxemia or respiratory failure

›Ongoing active bleeding with repeated transfusions

Discharge criteria

›ED discharge pathway

›Hemodynamic stability

›Normal mentation

›No hypotension

›No evidence of active bleeding

›No melena progression

›No hematemesis

›Symptoms controlled

›Ambulation without presyncope

›No resting chest pain

›Etiology likely low risk and outpatient manageable

›Iron deficiency with stable vitals

›Mild anemia without end organ symptoms

Follow up planning

›Time sensitive follow up

›Primary care or hematology within 1 week for moderate anemia

›Urgent GI referral if suspected occult GI bleeding

›Gynecology referral for heavy menstrual bleeding

›Repeat CBC timing

›48 to 72 hours if borderline stability

›1 to 2 weeks after iron initiation if stable outpatient

08Treatment/t128

Oxygen, fluids, and hemodynamic support

›Supportive care

›Oxygen therapy

›Titrate to SpO2 target per comorbidity

›Consider higher targets in ischemia

›Crystalloid bolus

›If hypotension and suspected volume loss

›Avoid excess fluids if heart failure risk

›Vasopressors

›If shock persists after transfusion and volume resuscitation

›Norepinephrine infusion per local protocol

Red blood cell transfusion

›RBC transfusion strategy

›Restrictive threshold framework

›Hemoglobin less than 70 g/L in hemodynamically stable adults without active bleeding

›Guideline aligned

›ACEP Level C reference framing for ED variability

›Class I recommendation for restrictive strategy in stable noncardiac patients

›Hemoglobin less than 80 g/L in patients with symptomatic cardiovascular disease or perioperative risk

›Class IIa recommendation when ischemic symptoms present

›Symptom driven transfusion

›Persistent angina attributed to anemia

›Transfuse and reassess after each unit

›Syncope or near syncope with anemia

›Transfuse if alternative causes excluded and symptoms ongoing

›Heart failure from high output state

›Transfuse cautiously with diuresis plan

›Active bleeding transfusion

›Hemorrhagic shock physiology

›Activate massive transfusion protocol

›Balanced resuscitation per local ratio policy

›Class I recommendation for early blood over crystalloid in life-threatening hemorrhage

›RBC product and dosing

›Adult PRBC dosing

›1 unit PRBC

›Expected hemoglobin rise about 10 g/L

›Recheck hemoglobin after 1 to 2 units or sooner if unstable

›Transfuse one unit at a time in stable nonbleeding patients

›Reassess symptoms after each unit

›Pediatric PRBC dosing

›10 to 15 mL/kg PRBC

›Expected hemoglobin rise about 20 g/L with 10 mL/kg

›Slower infusion in heart failure risk

›Infusion rate and monitoring

›Standard infusion 1.5 to 3 hours per unit

›Faster in life-threatening anemia per critical care protocol

›Vital signs per transfusion policy

›Baseline

›15 minutes

›Completion

›Transfusion safety and reactions

›Pre transfusion checklist

›Patient identity match

›Informed consent per local policy

›Type and screen review

›Febrile reaction pathway

›If fever or chills during transfusion, stop transfusion

›Maintain IV access with normal saline

›Notify blood bank and send reaction workup per protocol

›Allergic reaction pathway

›If urticaria only, antihistamine and consider restart per protocol

›If anaphylaxis signs, stop transfusion and treat anaphylaxis

›TRALI and TACO differentiation

›TRALI

›Acute hypoxemia

›Noncardiogenic pulmonary edema

›Fever possible

›TACO

›Hypertension

›JVP elevation

›B lines on ultrasound

›Response to diuretic

Hemorrhage control adjuncts

›Bleeding source management

›GI bleeding pathway

›Proton pump inhibitor IV per UGIB protocol

›Early endoscopy consult for suspected upper GI bleed

›Anticoagulant reversal coordination

›Warfarin

›Vitamin K per severity

›PCC for life-threatening bleeding

›DOAC

›Specific reversal agent per drug and availability

›PCC consideration if specific agent unavailable

›TXA considerations

›Major trauma bleeding within 3 hours of injury

›Class I recommendation in trauma protocols

›Nontrauma GI bleeding

›Not routine due to uncertain benefit and thrombosis risk

Treat the cause

›Iron deficiency treatment

›Oral iron

›Elemental iron 40 to 65 mg orally every other day

›Improved absorption and tolerability strategy

›Recheck hemoglobin in 2 to 4 weeks

›Adverse effects mitigation

›Take with vitamin C source if tolerated

›Avoid coadministration with calcium and antacids

›IV iron

›Indications

›Malabsorption

›Intolerance to oral iron

›Need rapid repletion without transfusion

›Safety

›Hypersensitivity monitoring during infusion

›Vitamin B12 deficiency treatment

›Parenteral B12

›Cyanocobalamin 1000 mcg IM weekly for 4 weeks then monthly

›Neurologic symptoms support parenteral route

›If severe deficiency, add oral maintenance after repletion

›Folate supplementation timing

›If both B12 and folate deficiency possible, replace B12 before folate

›Folate deficiency treatment

›Folic acid 1 mg orally daily

›Typical duration 1 to 4 months or until cause corrected

›Hemolysis treatment pathways

›Autoimmune hemolytic anemia

›Hematology consult

›Glucocorticoids

›Prednisone 1 mg/kg/day orally if stable

›Methylprednisolone IV in severe hemolysis

›Transfusion approach

›Least incompatible blood if needed for life-threatening anemia

›Close monitoring for hemolysis worsening

›Microangiopathic hemolysis

›If TTP suspected, emergent hematology

›Plasma exchange initiation pathway per protocol

›Avoid platelet transfusion unless life-threatening bleeding

›CKD anemia considerations

›ESA initiation

›Not ED initiated routinely

›Nephrology follow up pathway

09Special Populations/sp37

Pregnancy

›Pregnancy specific approach

›Physiologic anemia of pregnancy

›Plasma volume expansion effect

›Symptom severity may still be significant with lower reserve

›Bleeding priorities

›Ectopic pregnancy exclusion

›Placental abruption concern if pain and bleeding

›Transfusion thresholds

›Symptom driven transfusion

›Maternal hypoperfusion risk

›Fetal oxygen delivery considerations

›Iron therapy preference

›Oral iron first line if stable

›IV iron if intolerance or late pregnancy severe deficiency

Geriatric

›Older adult considerations

›Lower physiologic reserve

›Earlier ischemic symptoms at higher hemoglobin values

›Occult GI malignancy risk

›Iron deficiency anemia triggers endoscopic evaluation pathway

›Transfusion risk

›TACO higher risk

›Slower rate

›Diuretic strategy when appropriate

›Polypharmacy bleeding risk

›Anticoagulant plus antiplatelet combinations

Pediatrics

›Pediatric considerations

›Normal hemoglobin varies by age

›Age specific reference ranges

›Etiology differences

›Nutritional iron deficiency common

›Hemoglobinopathies

›Bone marrow failure syndromes

›Transfusion dosing

›PRBC 10 to 15 mL/kg

›Recheck hemoglobin and symptoms after transfusion

›Child protection consideration

›Unexplained severe anemia with bruising or neglect concern triggers safeguarding pathway

10Background/b44

Epidemiology

›Population patterns

›Common causes in ED

›Iron deficiency from chronic blood loss

›Acute blood loss

›Anemia of chronic disease

›Iron deficiency clues

›Heavy menstrual bleeding as common contributor in reproductive age

›Occult GI bleeding as key contributor in older adults

›High risk groups

›CKD patients

›Cancer patients

›Elderly

Pathophysiology

›Oxygen delivery physiology

›Oxygen delivery equals cardiac output times arterial oxygen content

›Hemoglobin is primary determinant of oxygen content

›Compensation in anemia

›Increased heart rate

›Increased stroke volume

›Decreased blood viscosity

›Increased 2,3-BPG with right shift of oxyhemoglobin curve

›Decompensation triggers

›Limited cardiac reserve

›Coronary stenosis

›Ongoing blood loss

Therapeutic Considerations

›Transfusion benefits and harms

›Benefits

›Rapid increase in oxygen carrying capacity

›Symptom relief in tissue hypoxia

›Harms

›TACO risk

›TRALI risk

›Hemolytic transfusion reaction risk

›Alloimmunization risk

›Infection transmission risk is low but nonzero

›Restrictive vs liberal transfusion

›Restrictive strategy preferred in stable patients

›Individualization in ischemic heart disease and ongoing bleeding

›Evidence level labeling for bedside decisions

›ACEP Level C recommendation

›Symptom guided transfusion in ED when hemoglobin threshold alone insufficient

›Class I recommendation

›Immediate transfusion for life-threatening anemia with shock physiology

›Class IIa recommendation

›Transfusion consideration for symptomatic ischemia likely driven by anemia

11Patient Discharge Instructions/pdi25

Copy discharge instructions

›Discharge instructions for anemia

›Diagnosis

›Anemia with suspected cause documented in ED

›Medications

›Iron or vitamin supplementation as prescribed

›Avoid NSAIDs if bleeding concern unless clinician approved

›Diet

›Iron rich foods

›B12 and folate sources when relevant

›Follow up

›Follow up appointment timeframe listed

›Repeat blood test timeframe listed

›Return to ED immediately for

›Chest pain

›Shortness of breath at rest

›Fainting or near fainting

›Rapidly worsening weakness

›New confusion

›Black tarry stools

›Vomiting blood

›Heavy vaginal bleeding

›Severe abdominal pain

›Fever after recent transfusion

›Safety note

›If symptoms worsen before follow up, return to ED

12References/r15

Clinical guidelines and society statements

›Transfusion guidelines

›AABB RBC transfusion guideline

›Restrictive transfusion thresholds in stable hospitalized adults

›One unit transfusion and reassessment strategy

›NICE blood transfusion guideline

›Restrictive thresholds

›Patient blood management principles

›British Society for Haematology guidance

›Iron deficiency anemia management

›Autoimmune hemolytic anemia management

Evidence based sources and tools

›Decision support and evidence summaries

›Glasgow Blatchford score derivation and validation literature

›Massive transfusion protocol evidence base in trauma resuscitation

›Transfusion reaction definitions and hemovigilance resources

›CKD anemia guidance for ESA and iron optimization

Evidence & Review

Reviewed by SymptomDx Medical Team · Last reviewed June 16, 2026

SymptomDx is an educational tool for medical professionals. It does not replace clinical judgment. Verify all clinical data and drug dosages with authoritative sources.