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Neonatal jaundice
Cardiovascular Presentations
Abdominal aortic aneurysm
Acute coronary syndrome (NSTEMI)
Acute coronary syndrome (STEMI)
Acute decompensated heart failure
Acute limb ischemia
Acute mesenteric ischemia
Aortic dissection
Aortic stenosis
Atrial fibrillation and flutter
Bradyarrhythmia and heart block
Cardiac arrest
Deep vein thrombosis
Myocarditis
Pericarditis
Pulmonary embolism
Stable angina
Superficial thrombophlebitis
Superior vena cava syndrome
Supraventricular tachycardia
Syncope (cardiogenic)
Unstable angina
Ventricular tachycardia
Respiratory Presentations
Acute bronchitis
Acute respiratory failure
Aspiration pneumonia
Asthma exacerbation
Bronchiolitis
Community-acquired pneumonia
COVID-19 pneumonia
COPD exacerbation
Croup
Croup (laryngotracheobronchitis)
Epiglottitis
Hemothorax
Hospital-acquired pneumonia
Pleural effusion
Pneumothorax (traumatic)
Pulmonary contusion
Spontaneous pneumothorax
Neurological Presentations
Bell's palsy
Benign paroxysmal positional vertigo
Brain abscess
Cauda equina syndrome
Cervical radiculopathy
Concussion (mild traumatic brain injury)
Encephalitis
Guillain-Barré syndrome
Hemorrhagic stroke (intracerebral)
Ischemic stroke
Lumbar radiculopathy
Malignant spinal cord compression
Migraine
Peripheral neuropathy (acute)
Retropharyngeal abscess
Schizophrenia (acute exacerbation)
Seizure (breakthrough:known epilepsy)
Seizure (first-time)
Spinal cord injury
Status epilepticus
Subarachnoid hemorrhage
Tension headache
Transient ischemic attack
Traumatic brain injury (moderate-severe)
Vestibular neuritis
Viral meningitis
Gastrointestinal Presentations
Acute appendicitis
Acute cholecystitis
Acute diverticulitis
Acute pancreatitis
Anal fissure
Choledocholithiasis and cholangitis
Clostridioides difficile colitis
Gastritis
Gastroenteritis (viral and bacterial)
Gastroesophageal reflux disease
Incarcerated or strangulated hernia
Inflammatory bowel disease flare
Large bowel obstruction
Lower GI hemorrhage
Peptic ulcer disease
Perforated viscus
Small bowel obstruction
Upper GI hemorrhage
Genitourinary and Reproductive Presentations
Acute prostatitis
Acute urinary retention
Ectopic pregnancy
Epididymitis
Orchitis
Ovarian torsion
Paraphimosis
Pelvic inflammatory disease
Priapism
Pyelonephritis
Renal laceration
Ruptured ovarian cyst
Testicular torsion
Tubo-ovarian abscess
Urinary tract infection (uncomplicated)
Urolithiasis (renal colic)
Vaginal bleeding (non-pregnant)
Infectious Disease Presentations
Acute sinusitis
Acute tonsillitis
Acute upper respiratory infection
Animal bite
Bacterial meningitis
Cellulitis
Conjunctivitis (bacterial)
Dental abscess
Endocarditis
Febrile neutropenia
Fournier gangrene
Hand-foot-mouth disease
Hepatitis (acute)
Herpes zoster
HIV-related illness
Human bite
Impetigo
Infected diabetic foot ulcer
Infectious mononucleosis
Influenza
Necrotizing fasciitis
Osteomyelitis
Otitis externa
Parasitic infection
Periorbital cellulitis
Peritonsillar abscess
Scabies
Sepsis
Septic arthritis
Spontaneous bacterial peritonitis
Tick-borne illness (Lyme disease)
Tinea infection
Tuberculosis
Viral exanthem
Wound infection
Trauma Presentations
Achilles tendon rupture
ACL and mceniscus tear
Ankle fracture
Ankle sprain
Burn
Calcaneus fracture
Cervical spine fracture
Clavicle fracture
Dental avulsion
Distal radius fracture
Drowning
Elbow fracture and dislocation
Electrical injury
Facial bone fracture
Facial laceration
Femur fracture
Fingertip amputation
Forearm fracture (radius and ulna)
Frostbite
Hand:finger laceration
Heat exhaustion
Heat stroke
Hip fracture
Humeral shaft fracture
Knee dislocation
Knee sprain
Lightning injury
Mandible fracture
Metacarpal fracture
Metatarsal fracture
Muscle strain
Nasal fracture
Non-accidental trauma
Orbital fracture
Patella fracture
Phalanx fracture (finger)
Proximal humerus fracture
Pulmonary contusion
Rib fracture
Rotator cuff tear (acute traumatic)
Scalp laceration
Scaphoid fracture
Shoulder dislocation
Skull fracture
Splenic laceration
Sternal fracture
Supracondylar pediatric fracture
Tendon laceration (hand:wrist)
Thoracic and lumbar spine fracture
Tibia:fibula fracture
Tibial plateau fracture
Toe fracture
Traumatic epistaxis
Traumatic hyphema
Toxicologic Presentations
Acetaminophen toxicity
Alcohol intoxication
Alcohol withdrawal
Anticholinergic toxicity
Anticoagulant overdose
Benzodiazepine overdose
Benzodiazepine:sedative overdose
Beta-blocker and calcium channel blocker toxicity
Carbon monoxide poisoning
Caustic ingestion
Digoxin toxicity
Drug eruption
Foreign body ingestion
Opioid intoxication
Opioid overdose
Opioid withdrawal
Organophosphate
Salicylate toxicity
Serotonin syndrome
Stimulant intoxication (cocaine, methamphetamine)
Tricyclic antidepressant overdose
Psychiatric Presentations
Acute anxiety
Acute psychosis
Agitation:behavioral emergency
Bipolar disorder
Conversion disorder
Major depressive episode
Neuroleptic malignant syndrome
Suicidal ideation and attempt
Musculoskeletal and Rheumatologic Presentations
Acute low back pain (mechanical)
Bursitis
Cervical radiculopathy
Costochondritis
Gout (acute)
Lumbar radiculopathy
Pseudogout
Tendinitis
Dermatology Presentations
Acute eczema (Eczema acute flare)
Allergic contact dermatitis
Erythema multiforme
Henoch-Schönlein purpura
Pressure injury
Psoriasis (acute flare)
Stevens-Johnson syndrome
Toxic epidermal necrolysis
Urticaria (acute)
Environmental and Exposure Presentations
Envenomation (snake, spider, insect)
High-altitude illness
Hypothermia
Hematologic and Oncologic Presentations
Acute chest syndrome
Coagulopathy
Hyperviscosity syndrome
Sickle cell crisis (vaso-occlusive)
Symptomatic anemia
Thrombocytopenia (severe)
Tumor lysis syndrome
Pediatric-Specific Presentations
Bronchiolitis
Croup
Emergency delivery
Febrile seizure
Kawasaki disease
Neonatal jaundice
Neonatal sepsis
Nursemaid's elbow
Pediatric fever 0 to 28 days
Pediatric fever 29 to 60 days
Pediatric fever 61 to 90 days
Pyloric stenosis
Slipped capital femoral epiphysis
Intussusception
Endocrine and Metabolic Presentations
Adrenal crisis
Diabetic ketoacidosis
Hypercalcemia
Hyperosmolar hyperglycemic state
Hypertensive emergency
Hypertensive urgency
Hypoglycemia
Myasthenia gravis crisis
Myxedema coma
Severe hyperkalemia
Severe hyponatremia
Thyroid storm
ENT and Maxillofacial Presentations
Acute laryngitis
Acute otitis media
Acute pharyngitis
Cerumen impaction
Epistaxis (anterior)
Nasal foreign body
Otitis externa
Tympanic membrane perforation
Ophthalmologic Presentations
Acute angle-closure glaucoma
Central retinal artery occlusion
Chemical eye injury
Corneal abrasion
Corneal ulcer
Globe rupture
Ocular foreign body
Orbital cellulitis
Retinal detachment
Obstetric Presentations
Hyperemesis gravidarum
Painful vaginal bleeding in pregnancy
Placenta previa
Placental abruption
Preeclampsia:eclampsia
Preterm labor
Threatened:inevitable:incomplete abortion
Systemic and Miscellaneous Presentations
Anaphylaxis
Angioedema
Cannabis-induced hyperemesis
Neonatal jaundice
POCUS
Procedures
Medications
Calculators
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ECG Guide
Back
Clinical Assessment Checklist
Browse categories and answer follow-up questions to refine your symptom profile.
Approach to the Critical Patient
Immediate priorities
Stabilization priorities
▶
Airway and breathing
▶
Apnea
Respiratory distress
Circulation
▶
Shock
Poor perfusion
Neurologic risk
▶
Acute bilirubin encephalopathy concern
▶
Lethargy
Hypotonia or hypertonia
High pitched cry
Poor feeding
Fever
Arching or retrocollis
Seizure
Hyperbilirubinemia severity
▶
Age in hours
▶
Gestational age category
Neurotoxicity risk factors
TSB trajectory
▶
Rapid rise consistent with hemolysis
Near exchange threshold
High risk triggers
Escalation triggers
▶
Jaundice in first 24 hours
▶
Hemolysis evaluation priority
Early phototherapy threshold assessment
Any neuro signs
▶
NICU consult
Exchange transfusion pathway activation
TSB at or above exchange threshold
▶
Immediate exchange preparation
Intensive phototherapy while preparing
Conjugated hyperbilirubinemia
▶
Cholestasis workup pathway
Urgent evaluation for biliary obstruction or infection
Bedside essentials
Rapid bedside actions
▶
Confirm bilirubin type
▶
Total serum bilirubin preferred for decisions
Direct or conjugated fraction if prolonged or ill
Identify feeding status
▶
Breastfeeding adequacy
Intake and output
Temperature and glucose
▶
Hypothermia
Hyperthermia
Hypoglycemia
Phototherapy readiness
▶
Intensive phototherapy capability
Eye protection availability
Irradiance measurement availability
History
Core history elements
Key history
▶
Age in hours at onset
▶
Jaundice before 24 hours
Peak timing
Gestational age and birth weight
▶
Late preterm 35 to 37 weeks
Small for gestational age
Feeding history
▶
Latch quality
Frequency
Milk transfer concern
Supplementation
Output history
▶
Wet diapers count
Stool frequency and color
Weight change
▶
Percent weight loss from birth
Dehydration concern
Maternal and infant blood groups
▶
ABO incompatibility risk
Rh status
Maternal antibodies history
Family history
▶
G6PD deficiency
Prior sibling requiring phototherapy
Prior sibling exchange transfusion
Birth trauma
▶
Cephalohematoma
Significant bruising
Infection risk
▶
Maternal fever
Prolonged rupture of membranes
Poor feeding with lethargy
Medication and exposure history
▶
Maternal sulfonamides near delivery
Naphthalene exposure
Traditional remedies
Classic patterns and pitfalls
Pattern recognition
▶
Physiologic jaundice pattern
▶
Onset after 24 hours
Peak day 3 to 5 term
Breastfeeding associated jaundice pattern
▶
Early onset with suboptimal intake
Weight loss and low output
Breast milk jaundice pattern
▶
Persistent unconjugated bilirubin after first week
Well appearing infant
Pathologic red flags
▶
Onset under 24 hours
Rapid rise
Ill appearance
Pale stools
Dark urine
Hepatosplenomegaly
Physical Exam
Focused exam
Exam targets
▶
General appearance
▶
Toxic appearance
Lethargy
Irritability
Vital signs
▶
Fever
Hypothermia
Tachycardia
Hypotension
Hydration status
▶
Mucous membranes
Skin turgor
Fontanelle
Skin findings
▶
Jaundice extent
Bruising
Cephalohematoma
Petechiae
Neurologic tone and behavior
▶
Hypotonia
Hypertonia
Arching
High pitched cry
Suck quality
Abdominal exam
▶
Hepatomegaly
Splenomegaly
Stool and urine cues
▶
Acholic stool history corroboration
Dark urine concern
PITFALLS
Common pitfalls
▶
Visual assessment alone
▶
Poor correlation with TSB
Reduced accuracy in darker skin tones
Under-recognition in early discharge
▶
Peak bilirubin after discharge common
Missing conjugated hyperbilirubinemia
▶
Jaundice beyond 2 weeks
Pale stools or dark urine
Differential Diagnosis
Unconjugated hyperbilirubinemia
Causes of unconjugated hyperbilirubinemia
▶
Physiologic jaundice
▶
Increased bilirubin production
Immature conjugation
Hemolysis
▶
ABO incompatibility ICD-10 P55.1
Rh isoimmunization ICD-10 P56.0
Other red cell antibodies ICD-10 P55.8
G6PD deficiency
Hereditary spherocytosis
Increased bilirubin load
▶
Cephalohematoma ICD-10 P12.0
Extensive bruising ICD-10 P58.0
Polycythemia ICD-10 P61.1
Decreased intake
▶
Breastfeeding jaundice
Dehydration and weight loss
Endocrine or metabolic
▶
Congenital hypothyroidism
Crigler Najjar syndrome
Gilbert syndrome
Infection
▶
Sepsis ICD-10 P36.x
Urinary tract infection
Conjugated hyperbilirubinemia
Causes of conjugated hyperbilirubinemia
▶
Biliary obstruction
▶
Biliary atresia ICD-10 Q44.2
Choledochal cyst
Hepatitis and infection
▶
Neonatal hepatitis
TORCH infections
Metabolic
▶
Alpha-1 antitrypsin deficiency
Galactosemia
Tyrosinemia
Total parenteral nutrition associated cholestasis
Laboratory Tests
Bilirubin and hemolysis panel
Core labs
▶
Total serum bilirubin
▶
Decision standard for treatment thresholds
Repeat interval based on proximity to threshold
Direct or conjugated bilirubin
▶
Indications
▶
Prolonged jaundice
Ill appearance
Pale stools
Dark urine
Infant blood type and DAT
▶
Isoimmune hemolysis detection
DAT negative hemolysis possibility
Maternal blood type and antibody screen
▶
Rh and minor antigen risk
Hemoglobin or hematocrit
▶
Hemolysis severity assessment
Anemia detection
Reticulocyte count
▶
Hemolysis marker
Bone marrow response
Peripheral smear
▶
Spherocytes
Fragmentation
Additional labs by scenario
Targeted labs
▶
G6PD level
▶
High risk ancestry or family history
Unexplained rapid rise
Poor response to phototherapy
Serum albumin
▶
Lower binding capacity risk
Neurotoxicity risk factor assessment
Glucose
▶
Lethargy
Poor feeding
Sepsis evaluation labs
▶
Blood culture
CBC with differential
C reactive protein
Thyroid screening review
▶
Persistent jaundice
Liver panel for conjugated bilirubin
▶
ALT
AST
GGT
INR
Interpretation pearls
Interpretation
▶
Rapid bilirubin rise
▶
Hemolysis likelihood higher
Shorter recheck intervals
Direct bilirubin elevation
▶
Cholestasis workup required
Phototherapy non-therapeutic for conjugated fraction
DAT positive
▶
Increased risk of severe hyperbilirubinemia
IVIG consideration when near exchange threshold
Diagnostic Tests
Scoring Systems
Risk stratification tools
▶
Hour specific bilirubin nomograms
▶
Predischarge TSB or TcB plotted by age in hours
Risk zones for subsequent significant hyperbilirubinemia
Delta to treatment threshold approach
▶
TSB difference from phototherapy threshold
Follow-up timing based on proximity
Neurotoxicity risk factor assessment
▶
Gestational age under 38 weeks
Isoimmune hemolysis
G6PD deficiency
Sepsis
Clinical instability
Low albumin
MRI
Neuroimaging
▶
Indications
▶
Suspected chronic bilirubin encephalopathy
Persistent abnormal tone or movement disorder after neonatal period
Typical findings
▶
Bilateral globus pallidus signal abnormalities
Subthalamic nucleus involvement
Limitations
▶
Early MRI false positives possible
Imaging not required for acute treatment decisions
CT
CT role
▶
Routine use not indicated
▶
No role in bilirubin threshold decisions
Alternative diagnosis pathways
▶
Intracranial hemorrhage concern
Trauma concern
Risks
▶
Ionizing radiation in neonate
Ultrasound
Ultrasound applications
▶
Hepatobiliary ultrasound
▶
Conjugated hyperbilirubinemia evaluation
Biliary tree abnormalities
Cranial ultrasound
▶
Preterm with neurologic symptoms
Hemorrhage screening pathway support
Limitations
▶
Does not assess unconjugated bilirubin neurotoxicity risk directly
Disposition
Site of care
Disposition decisions
▶
NICU level care
▶
Exchange transfusion indicated
Acute bilirubin encephalopathy signs
Rapid rise with hemolysis and near exchange threshold
Inpatient ward
▶
Phototherapy requirement
Significant feeding support needs
Sepsis evaluation pending
Outpatient management
▶
Below phototherapy threshold
Well appearing
Reliable follow-up within recommended interval
Follow-up timing
Copy
Follow-up planning
▶
Timing based on age and bilirubin proximity to threshold
▶
Closer follow-up when TSB near phototherapy threshold
Earlier repeat bilirubin when rapid rise suspected
Feeding follow-up
▶
Lactation support appointment
Weight check within 24 to 48 hours when weight loss concern
Prolonged jaundice follow-up
▶
Direct bilirubin testing pathway
Stool color monitoring pathway
Treatment
Phototherapy
Phototherapy strategy
▶
Intensive phototherapy criteria
▶
TSB at or above treatment threshold for age and risk category
Hemolysis with rapid rise
Delivery optimization
▶
Maximal skin exposure
High irradiance device
Minimized time off lights
Monitoring and response
▶
TSB reassessment interval
▶
Short intervals when near exchange threshold
Longer intervals when falling and far from threshold
Expected decline pattern
▶
Early decline within hours suggests adequate irradiance
Poor response suggests hemolysis or inadequate intensity
Supportive care during phototherapy
▶
Maintain normothermia
Hydration and feeding support
Eye protection and positioning
Exchange transfusion
Exchange transfusion pathway
▶
Indications
▶
TSB at or above exchange threshold for age and risk category
Acute bilirubin encephalopathy signs regardless of level
Bridge measures while preparing
▶
Intensive phototherapy continued
IV access readiness
Glucose monitoring
Procedure essentials
▶
Double volume exchange typical approach
Blood product selection and crossmatch with maternal antibodies
Calcium monitoring during exchange
Complications monitoring
▶
Hypocalcemia
Hypoglycemia
Thrombocytopenia
Arrhythmia
Catheter complications
IVIG
IVIG for isoimmune hemolysis
▶
Candidate profile
▶
DAT positive hemolysis
Rising TSB despite intensive phototherapy
Approaching exchange threshold
Dosing
▶
IVIG 0.5 to 1 g per kg
▶
Infusion per institutional protocol
Repeat dosing based on response and guideline pathway
Risks and monitoring
▶
Volume overload
Necrotizing enterocolitis signal concern in some reports
Anaphylaxis rare
Feeding and supplementation
Nutrition management
▶
Optimize breastfeeding
▶
Lactation consultation
Feeding frequency support
Supplementation indications
▶
Excessive weight loss
Dehydration signs
Inadequate intake with rising TSB
IV fluids considerations
▶
Reserved for significant dehydration or inability to feed
Not a substitute for phototherapy or exchange when indicated
Medication cautions
Avoidance and safety
▶
Drugs that displace bilirubin from albumin
▶
Higher concern in preterm or ill neonate
Ceftriaxone avoidance in hyperbilirubinemic neonate
▶
Bilirubin displacement risk
Special Populations
Pregnancy
Maternal factors affecting neonatal risk
▶
Maternal blood group and antibodies
▶
Rh negative with sensitization risk
ABO incompatibility risk when mother O
Diabetes in pregnancy
▶
Polycythemia risk
Prematurity risk
Delivery factors
▶
Assisted delivery with bruising risk
Delayed cord clamping and bilirubin load context
Geriatric
Applicability
▶
Not applicable
▶
Neonatal specific condition
No geriatric modifications
Systems note
▶
Ensure neonatal pathway selection in order sets
Avoid adult jaundice protocols
Pediatrics
Neonatal specific considerations
▶
Gestational age groups
▶
35 to 37 weeks higher neurotoxicity risk
Under 35 weeks separate thresholds and NICU protocols
Neurotoxicity risk factors
▶
Sepsis
Hemolysis
Clinical instability
Low albumin
Home phototherapy
▶
Selected low risk infants only
Reliable follow-up and device quality assurance
Background
Epidemiology
Frequency and burden
▶
Common neonatal condition
▶
Physiologic jaundice in many newborns
Subset requiring phototherapy
Peak timing
▶
Term peak commonly day 3 to 5
Later peak in breast milk jaundice
Major risk contributors
▶
Prematurity
Hemolysis
Exclusive breastfeeding with suboptimal intake
Bruising and cephalohematoma
Pathophysiology
Mechanisms
▶
Unconjugated bilirubin production
▶
High neonatal red cell turnover
Shorter red cell lifespan
Hepatic uptake and conjugation limits
▶
Immature UGT1A1 activity
Reduced clearance early life
Enterohepatic circulation
▶
Increased beta glucuronidase activity
Delayed stooling increases reabsorption
Neurotoxicity pathway
▶
Unbound bilirubin crossing blood brain barrier
Basal ganglia and brainstem nuclei vulnerability
Therapeutic Considerations
Rationale for therapies
▶
Phototherapy mechanism
▶
Converts bilirubin to water soluble isomers
Enhances excretion without conjugation
Exchange transfusion mechanism
▶
Removes bilirubin and sensitized red cells
Provides albumin binding capacity
IVIG mechanism in isoimmune disease
▶
Reduces hemolysis by blocking Fc receptors
Guideline based thresholds
▶
Age in hours thresholding reduces overtreatment
Lower thresholds with neurotoxicity risk factors
Patient Discharge Instructions
copy discharge instructions
Copy
Discharge instructions
▶
Feeding and hydration
▶
Feed at least 8 to 12 times per 24 hours if breastfeeding
Monitor wet diapers
Monitor stool frequency and color
Follow-up plan
▶
Repeat bilirubin test at scheduled time
Weight check appointment
Lactation support contact
Home safety with jaundice
▶
Avoid sun exposure as treatment substitute
Maintain normal room temperature
Return now warning signs
▶
Poor feeding
Hard to wake or unusual sleepiness
High pitched cry
Stiffness or arching
Fever
Breathing problems
Fewer wet diapers
Pale or white stools
Dark urine
Jaundice spreading to legs or deepening quickly
References
Clinical guidelines and key sources
Core references
▶
AAP Clinical Practice Guideline Revision 2022
▶
Title
▶
Management of Hyperbilirubinemia in the Newborn Infant 35 or More Weeks of Gestation
Journal
▶
Pediatrics 2022;150(3):e2022058859
DOI
▶
10.1542/peds.2022-058859
Link
▶
https://publications.aap.org/pediatrics/article/150/3/e2022058859/
Canadian Paediatric Society position statement 2025
▶
Title
▶
Guidelines for detection and management of hyperbilirubinemia in term and late preterm newborns 35 or more weeks gestation
Date
▶
March 18, 2025
Link
▶
https://cps.ca/en/documents/position/hyperbilirubinemia-newborns
NICE Clinical Guideline CG98
▶
Title
▶
Jaundice in newborn babies under 28 days
Link
▶
https://www.nice.org.uk/guidance/cg98
Bhutani et al 1999 predischarge nomogram study
▶
Journal
▶
Pediatrics 1999
PubMed
▶
9917432
Link
▶
https://pubmed.ncbi.nlm.nih.gov/9917432/
MRI of bilirubin encephalopathy review 2014
▶
Source
▶
Wisnowski et al
Link
▶
https://pmc.ncbi.nlm.nih.gov/articles/PMC4250342/
Coding references
Coding map
▶
ICD-10
▶
P59.9 Neonatal jaundice unspecified
P55.1 ABO isoimmunization of newborn
P56.0 Rh isoimmunization of newborn
P57 Kernicterus
Q44.2 Atresia of bile ducts
SNOMED CT concepts
▶
Neonatal jaundice
Hyperbilirubinemia
Acute bilirubin encephalopathy
Kernicterus
Phototherapy
Exchange transfusion
SymptomDx is an educational tool for medical professionals. It does not replace clinical judgment. Verify all clinical data and drug dosages with authoritative sources.
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Neonatal jaundice