Approach to the Critical Patient

Immediate resuscitation priorities

ABCs and vascular access

Volume resuscitation for hypovolemic shock

Emergency transfusion trigger

Monitoring and escalation

Monitoring bundle

Escalation triggers

Immediate consults

Mandatory consultations

History

Presentation features

Core symptoms

Temporal context

Baseline and prior history

SCD-specific baseline information

Disease and treatment history

Risk factor assessment

Patient-level risk factors

Caregiver and social context

Important negatives

Distinguishing features from mimics

Physical Exam

Vitals and general appearance

Vital sign pattern in ASSC

General appearance

Abdominal exam

Splenic assessment

Hepatic assessment

Cardiovascular and perfusion exam

Hemodynamic assessment

PITFALLS

Common diagnostic errors

Differential Diagnosis

Life-threatening conditions

Immediate threats to exclude

Hematologic differentials

Anemia with reticulocytopenia

Other sequestration variants

Other causes of acute abdominal pain in SCD

Vaso-occlusive crisis

Acute cholecystitis or cholelithiasis

Splenic infarction or abscess

Laboratory Tests

Urgent hematology labs

Complete blood count with differential

Blood smear review

Transfusion and crossmatch

Pre-transfusion testing

Sepsis and metabolic evaluation

Infection screen

Metabolic and organ function labs

Additional targeted labs

Reticulocyte hemoglobin content

Parvovirus B19 IgM and PCR

Arterial or venous blood gas

Diagnostic Tests

Scoring Systems

Severity classification for ASSC

ASSC diagnostic triad

Pediatrics clinical prediction

MRI

MRI abdomen role in ASSC

CT

CT abdomen and pelvis indications

CT limitations

Ultrasound

Abdominal ultrasound as primary modality

POCUS bedside applications

Disposition

Admission criteria

All ASSC patients require hospitalization

ICU admission indications

Level of care by severity

Monitored bed for stable patients

Transfer criteria

Discharge planning

Discharge timing

Outpatient follow-up

Treatment

Immediate stabilization

Resuscitation sequence

Transfusion therapy

Simple RBC transfusion protocol

Overtransfusion prevention

Infection management

Empiric antibiotics for febrile ASSC

Pain management

Analgesia approach

Recurrence prevention

Splenectomy for recurrence prevention

Chronic transfusion as bridge therapy

Hydroxyurea for long-term disease modification

Special Populations

Pregnancy

ASSC in pregnancy

Antibiotic safety in pregnancy

Geriatric

ASSC in older adults

Functional status and disposition

Pediatrics

Age-specific considerations

Family and caregiver education

Caregiver mental health consideration

Background

Epidemiology

Incidence and prevalence

Genotype risk distribution

Pathophysiology

Acute sequestration mechanism

Resolution physiology

Complication pathways

Therapeutic Considerations

Transfusion strategy principles

Recurrence prevention strategy

Parental education as treatment

Patient Discharge Instructions

copy discharge instructions

Understanding your diagnosis

Daily monitoring at home

Medications

Hydration and activity

Warning signs - return to emergency room immediately

Follow-up appointment

References

Guidelines and key sources

Primary guidelines

Key literature

Landmark studies and reviews

Coding reference

Diagnostic codes

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