PAEDIATRICS

 

Here is a comprehensive, well-organized list of high-yield pediatric clinical signs, radiological findings, and syndromes, including name, associated condition/disease, short description, and key diagnostic points:

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 🩺 Pediatric Named Signs & Findings – 150 Key Points

 1–30: Neonatal & General Pediatric Signs

1. Harlequin Color Change

    Associated: Newborns

    Description: Sudden demarcation of body into red and pale halves

    Key Point: Benign, transient autonomic instability in first week

2. Suckling Blisters

    Associated: Neonatal reflex

    Description: Blisters on hands/lips from intrauterine sucking

    Key Point: Self-resolving, no systemic symptoms

3. Blueberry Muffin Rash

    Associated: Congenital TORCH infections

    Description: Purplish-blue macules from dermal extramedullary hematopoiesis

    Key Point: Seen in CMV, rubella; also thrombocytopenia, HSM

4. Sandifer Sign

    Associated: GERD in infants

    Description: Dystonic neck posturing with back arching

    Key Point: Triggered after feeds, mistaken for seizures

5. Cherry Red Spot

    Associated: Tay-Sachs, Niemann-Pick

    Description: Red macula surrounded by pale retina

    Key Point: Central vision preserved until late

6. Shaggy Heart Border

    Associated: Pericardial Effusion (JRA/TB)

    Description: Poorly defined cardiac silhouette on X-ray

    Key Point: Beck’s triad + cardiomegaly on CXR

7. Pseudoparalysis of Parrot

    Associated: Congenital syphilis

    Description: Limb immobility due to osteochondritis

    Key Point: Wimberger's sign, snuffles, positive RPR

8. Sabor Shin

    Associated: Congenital Syphilis

    Description: Anterior bowing of tibia due to periostitis

    Key Point: Part of Hutchinson triad in late syphilis

9. Wimberger’s Sign

    Associated: Congenital Syphilis

    Description: Destruction of medial proximal tibia metaphysis

    Key Point: Radiological hallmark

10. Fanconi Sign

     Associated: Fanconi Anemia

     Description: Bone marrow failure, radial anomalies

     Key Point: Pancytopenia + thumb anomalies + cafe-au-lait spots

11. Brushfield Spots

     Associated: Down Syndrome

     Description: Gray/white spots on iris periphery

     Key Point: Specific but not pathognomonic

12. Milian’s Ear Sign

     Associated: Erysipelas

     Description: Ear involved in erysipelas due to lack of dermis

     Key Point: Differentiates from cellulitis

13. Cupola Sign

     Associated: Pneumopericardium

     Description: Lucency over heart on CXR

     Key Point: Neonates on ventilation

14. Posterior Urethral Valves

     Associated: BOO in male infants

     Description: Dilated posterior urethra + abrupt narrowing

     Key Point: Keyhole sign on VCUG

15. High-Riding Testis + Bell-Clapper Deformity

     Associated: Testicular Torsion

     Description: Transverse testis due to absent gubernaculum

     Key Point: Surgical emergency

16. Absent Cremasteric Reflex

     Associated: Testicular Torsion

     Description: Loss of reflex on affected side

     Key Point: Doppler shows no blood flow

17. Setting Sun Sign

     Associated: Hydrocephalus

     Description: Downward deviation of eyes with sclera above iris

     Key Point: ICP sign in infants

18. Beaten Copper Skull

     Associated: Craniosynostosis

     Description: Prominent convolutional markings

     Key Point: ICP ↑ due to premature suture fusion

19. Spalding Sign

     Associated: Intrauterine fetal demise

     Description: Overlapping skull bones on USG

     Key Point: No fetal movements

20. Opera-glass Hand

     Associated: JRA (severe), Congenital Syphilis

     Description: Shortened, telescoping fingers

     Key Point: From bone resorption

21. Steeple Sign

     Associated: Croup

     Description: Subglottic narrowing on AP neck X-ray

     Key Point: Barking cough, stridor

22. Thumb Sign

     Associated: Epiglottitis

     Description: Swollen epiglottis on lateral neck X-ray

     Key Point: Sudden onset fever, drooling

23. Boot-shaped Heart

     Associated: Tetralogy of Fallot

     Description: Upturned apex due to RVH

     Key Point: Cyanosis + systolic murmur

24. Egg on Side Appearance

     Associated: Transposition of Great Arteries

     Description: Narrow mediastinum, globular heart

     Key Point: Cyanosis in 24h, no murmur

25. Halo Sign

     Associated: CSF Leak

     Description: Blood-stained CSF rings on filter paper

     Key Point: Post-head trauma + clear nasal discharge

26. Trousseau Sign

     Associated: Hypocalcemia

     Description: Carpal spasm after BP cuff inflation

     Key Point: Seen in DiGeorge syndrome

27. Chvostek Sign

     Associated: Hypocalcemia

     Description: Facial twitching on tapping facial nerve

     Key Point: Latent tetany

28. Sunburst Appearance

     Associated: Osteosarcoma

     Description: Spiculated periosteal reaction

     Key Point: Painful swelling + ↑ALP

29. Ground-Glass Appearance

     Associated: Neonatal RDS

     Description: Diffuse reticulogranular lung pattern

     Key Point: Preterm + grunting + surfactant deficiency

30. String Sign of Kantor

     Associated: Hypertrophic Pyloric Stenosis

     Description: Narrowed pyloric canal

     Key Point: Non-bilious projectile vomiting + palpable olive

-- Sclerosis, perinatal insult

 Description: Flexor spasms in clusters + hypsarrhythmia on EEG

 Key: Rx with ACTH/Vigabatrin

 🧠 31–60: Neurological Signs & Syndromes

31. Opisthotonus

 Associated: Tetanus, Meningitis

 Description: Hyperextension and arching of back

 Key: Irritability + rigidity + fever = meningitis sign in infants

32. Bulging Anterior Fontanelle

 Associated: Raised ICP (Hydrocephalus, Meningitis)

 Description: Tense and non-pulsatile fontanelle

 Key: Examine in upright and quiet baby

33. Sunsetting Eyes

 Associated: Hydrocephalus

 Description: Downward eye deviation exposing sclera

 Key: Midbrain pressure sign

34. Macewan’s Sign

 Associated: Hydrocephalus

 Description: Cracked pot sound on percussion of skull

 Key: Sign of sutural separation

35. Brudzinski’s Sign

 Associated: Meningitis

 Description: Neck flexion → hip/knee flexion

 Key: Positive in older infants and children

36. Kernig’s Sign

 Associated: Meningitis

 Description: Pain with extension of knee when hip flexed

 Key: Sign of meningeal irritation

37. Decerebrate Posturing

 Associated: Brainstem lesion

 Description: Extension of arms/legs, arched neck

 Key: Poor prognosis

38. Decorticate Posturing

 Associated: Cortical lesion

 Description: Arm flexion, leg extension

 Key: Less severe than decerebrate

39. Tonic Neck Reflex

 Associated: Normal Neonatal Reflex

 Description: Fencing posture with head turn

 Key: Disappears by 5–6 months

40. Absent Moro Reflex

 Associated: Brachial plexus injury, CNS pathology

 Description: No startle with sudden movement

 Key: Must assess bilaterally

41. West Syndrome (Infantile Spasms)

 Associated: Tuberous Sclerosis, perinatal insult

 Description: Flexor spasms in clusters + hypsarrhythmia on EEG

 Key: Rx with ACTH/Vigabatrin

42. Head Lag

 Associated: Hypotonia

 Description: Inability to hold head while pulled to sit

 Key: Abnormal beyond 6 months

43. Macrocephaly

 Associated: Hydrocephalus, storage disorders

 Description: Head circumference > 97th percentile

 Key: Always measure serially

44. Microcephaly

 Associated: Zika, congenital infections, syndromes

 Description: Head circumference < 3rd percentile

 Key: Check neurodevelopment

45. Encephalopathy + Liver Failure (Reye's)

 Associated: Aspirin use in viral illness

 Description: Rapid CNS deterioration

 Key: Avoid aspirin in viral fevers

46. Ataxic Gait

 Associated: Cerebellar tumors, ADEM

 Description: Wide-based, unsteady gait

 Key: MRI required for diagnosis

47. Babinski Sign

 Associated: Pyramidal tract lesion

 Description: Dorsiflexion of great toe

 Key: Normal up to 2 years

48. Spastic Diplegia

 Associated: Cerebral Palsy

 Description: Stiff legs, scissoring gait

 Key: Prematurity is major risk

49. Toe Walking

 Associated: Cerebral Palsy, Duchenne

 Description: Walk on toes due to heel tightness

 Key: Look for calf hypertrophy

50. Craniotabes

 Associated: Rickets, Syphilis

 Description: Ping-pong ball skull bones

 Key: Normal in newborns <3 months

51. Chorea

 Associated: Rheumatic Fever (Sydenham)

 Description: Jerky involuntary movements

 Key: Also check for emotional lability

52. Macroglossia

 Associated: Beckwith-Wiedemann, Hypothyroid

 Description: Large tongue

 Key: Can cause feeding/speech issues

53. Seizure with Fever >15 mins (Focal)

 Associated: Complex Febrile Seizure

 Description: Focal, recurrent or prolonged

 Key: Needs further workup

54. Hyperacusis

 Associated: William Syndrome

 Description: Sensitivity to sounds

 Key: Also elfin facies, hypercalcemia

55. Head Banging

 Associated: Autism

 Description: Stereotyped self-injury behavior

 Key: Assess for other red flags

56. Macro-orchidism

 Associated: Fragile X Syndrome

 Description: Enlarged testes in pre-pubertal child

 Key: Intellectual disability + large ears

57. Startle Reflex Exaggerated

 Associated: Tay-Sachs

 Description: Persistent strong startle

 Key: Regression + cherry-red spot

58. Parinaud’s Syndrome

 Associated: Pinealoma

 Description: Upward gaze palsy, convergence-retraction nystagmus

 Key: Also headache, vomiting

59. Atonic Seizures

 Associated: Lennox-Gastaut Syndrome

 Description: Sudden drop attacks

 Key: Mixed seizure types + slow spike-wave EEG

60. Spastic Quadriplegia

 Associated: Severe Hypoxic-Ischemic Encephalopathy

 Description: All limbs involved

 Key: Poor prognosis

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 🍽️ 61–75: Gastrointestinal & Hepatic Signs

61. Scaphoid Abdomen

    – Associated: Congenital Diaphragmatic Hernia (CDH)

    – Description: Sunken abdominal wall due to herniated bowel into thorax

    – Key: Respiratory distress + mediastinal shift

62. Double Bubble Sign

    – Associated: Duodenal Atresia

    – Description: Gas in stomach and proximal duodenum only

    – Key: Seen on plain abdominal X-ray

63. Currant Jelly Stool

    – Associated: Intussusception

    – Description: Blood and mucus in stool

    – Key: Colicky pain + sausage-shaped mass

64. Target Sign on USG

    – Associated: Intussusception

    – Description: Concentric ring appearance on ultrasound

    – Key: Immediate air/contrast enema needed

65. String Sign of Kantor

    – Associated: Crohn’s Disease

    – Description: Narrowed segment on barium study

    – Key: Skip lesions, perianal disease

66. Pyloric Olive

    – Associated: Hypertrophic Pyloric Stenosis

    – Description: Palpable firm mass in RUQ

    – Key: Non-bilious projectile vomiting

67. Visible Peristalsis

    – Associated: Pyloric Stenosis

    – Description: Waves across epigastrium

    – Key: Left to right movement

68. Bilious Vomiting in Neonate

    – Associated: Intestinal Obstruction (e.g. Malrotation, Atresia)

    – Description: Green vomit

    – Key: Surgical emergency

69. Rectal Prolapse

    – Associated: Cystic Fibrosis

    – Description: Rectal mucosa protrudes

    – Key: Also see failure to thrive + steatorrhea

70. Meconium Ileus

    – Associated: Cystic Fibrosis

    – Description: Obstruction due to thick meconium

    – Key: Ground-glass or soap-bubble appearance

71. Beaded Bile Ducts (MRCP)

    – Associated: Primary Sclerosing Cholangitis

    – Description: Irregular bile ducts

    – Key: Association with ulcerative colitis

72. Spider Angiomata

    – Associated: Chronic Liver Disease

    – Description: Vascular lesions with central arteriole

    – Key: High estrogen state

73. Hepatosplenomegaly + Cherry Red Spot

    – Associated: Niemann-Pick Disease

    – Description: Lipid storage + retinal sign

    – Key: Foam cells in marrow

74. Kayser-Fleischer Rings

    – Associated: Wilson’s Disease

    – Description: Copper deposits in Descemet’s membrane

    – Key: Use slit-lamp examination

75. Jaundice + Acholic Stool

    – Associated: Biliary Atresia

    – Description: Clay-colored stools

    – Key: Needs early Kasai procedure

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 💧 76–85: Renal & Urologic Signs

76. Periorbital Puffiness

    – Associated: Nephrotic Syndrome

    – Description: Facial swelling, especially morning

    – Key: Proteinuria + hypoalbuminemia

77. Frothy Urine

    – Associated: Nephrotic Syndrome

    – Description: Bubbly urine from protein

    – Key: Urine protein >40 mg/m²/hr

78. Hematuria + Sensorineural Hearing Loss

    – Associated: Alport Syndrome

    – Description: Defective collagen

    – Key: X-linked, basket weave GBM on EM

79. Facial Edema + Cola-colored Urine

    – Associated: Acute Post-Strep Glomerulonephritis

    – Description: Follows pharyngitis

    – Key: Low C3, ASO positive

80. Hypertension in Young Child

    – Associated: Renal Parenchymal Disease

    – Description: Elevated BP

    – Key: Always check BP in nephrotic/nephritic patients

81. Potter Facies

    – Associated: Renal Agenesis

    – Description: Flattened face, low-set ears

    – Key: Due to oligohydramnios

82. Ambiguous Genitalia

    – Associated: CAH (Congenital Adrenal Hyperplasia)

    – Description: Genital uncertainty at birth

    – Key: Electrolyte imbalance = emergency

83. Dribbling Urine + Mass

    – Associated: Posterior Urethral Valves

    – Description: Obstructive uropathy

    – Key: Antenatal hydronephrosis clue

84. Fanconi Syndrome

    – Associated: Wilson’s, Cystinosis, Galactosemia

    – Description: Proximal tubule dysfunction

    – Key: Glucosuria + phosphaturia + aminoaciduria

85. Hyponatremia + Hyperkalemia + Acidosis

    – Associated: Type IV RTA

    – Description: Aldosterone resistance

    – Key: Seen in CAH, obstructive uropathy

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 🧠 86–90: Endocrine Signs

86. Obese Child + Short Stature

    – Associated: Hypothyroidism

    – Description: Growth retardation despite weight gain

    – Key: Delayed bone age

87. Precocious Puberty

    – Associated: Congenital Adrenal Hyperplasia, Hypothalamic Hamartoma

    – Description: Early secondary sex characteristics

    – Key: Bone age advanced

88. Delayed Puberty + Anosmia

    – Associated: Kallmann Syndrome

    – Description: Hypogonadotropic hypogonadism

    – Key: Low LH/FSH + absent smell

89. Hyperpigmentation + Hypoglycemia

    – Associated: Addison’s Disease

    – Description: Low cortisol, high ACTH

    – Key: Salt-wasting crisis in neonates

90. Tall Stature + Small Testes

    – Associated: Klinefelter Syndrome (XXY)

    – Description: Hypogonadism + long limbs

    – Key: Diagnosed at puberty or infertility workup

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 💨 91–110: Respiratory & Cardiovascular Signs

91. Nasal Flaring

    – Associated: Respiratory Distress (e.g., pneumonia, RDS)

    – Description: Flaring of nostrils with breathing

    – Key: Sign of increased respiratory effort in infants

92. Grunting

    – Associated: Neonatal Respiratory Distress Syndrome

    – Description: Expiratory noise to maintain FRC

    – Key: Emergency sign in neonates

93. Intercostal/Sternal Retractions

    – Associated: Respiratory Distress

    – Description: Use of accessory muscles

    – Key: Severity grading depends on location

94. Tripod Position

    – Associated: Epiglottitis

    – Description: Child leaning forward with drooling

    – Key: High fever, emergency

95. Steeple Sign

    – Associated: Croup (Laryngotracheobronchitis)

    – Description: Subglottic narrowing on neck X-ray

    – Key: Barking cough + inspiratory stridor

96. Thumb Sign

    – Associated: Epiglottitis

    – Description: Swollen epiglottis on lateral neck X-ray

    – Key: Do not examine throat with tongue depressor

97. Hyperresonant Chest + Shifted Trachea

    – Associated: Tension Pneumothorax

    – Description: Air in pleural cavity

    – Key: Needle decompression required

98. Barrel-Shaped Chest

    – Associated: Cystic Fibrosis, Chronic Asthma

    – Description: Increased AP diameter

    – Key: Hyperinflation on chest X-ray

99. Digital Clubbing

    – Associated: Cystic Fibrosis, Cyanotic Heart Disease

    – Description: Bulbous enlargement of fingers

    – Key: Always investigate underlying cause

100. Silver Beaten Appearance

     – Associated: Raised ICP, Cyanotic CHDs

     – Description: Skull radiograph with multiple impressions

     – Key: Seen in congenital cyanotic heart defects

101. Boot-Shaped Heart

     – Associated: Tetralogy of Fallot

     – Description: Right ventricular hypertrophy

     – Key: Cyanosis + clubbing

102. Egg-on-String Appearance

     – Associated: Transposition of Great Arteries

     – Description: Narrow mediastinum + enlarged heart

     – Key: Requires surgical correction

103. Snowman Sign

     – Associated: TAPVC (Total Anomalous Pulmonary Venous Connection)

     – Description: Enlarged vertical vein + SVC

     – Key: Seen in supracardiac type

104. Box-Shaped Heart

     – Associated: Ebstein Anomaly

     – Description: Right atrial enlargement

     – Key: Lithium exposure in utero

105. Continuous Machinery Murmur

     – Associated: Patent Ductus Arteriosus

     – Description: Heard at left infraclavicular area

     – Key: Bounding pulses, wide pulse pressure

106. Differential Cyanosis

     – Associated: PDA with reversed shunt

     – Description: Lower limbs cyanosed, upper spared

     – Key: Seen in Eisenmengerization of PDA

107. Wide Split of S2

     – Associated: ASD (especially secundum)

     – Description: Fixed splitting

     – Key: Due to L-to-R shunt

108. Paradoxical Splitting of S2

     – Associated: Aortic stenosis

     – Description: Pulmonary valve closes before aortic

     – Key: Reverse of normal physiology

109. Harsh Holosystolic Murmur at LLSB

     – Associated: VSD

     – Description: Pansystolic murmur

     – Key: May cause pulmonary hypertension

110. Biventricular Hypertrophy on ECG

     – Associated: Congenital Heart Disease (esp. AVSD)

     – Description: Tall R waves in V1, V6

     – Key: Common in Down syndrome

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 🦴 111–130: Musculoskeletal, Genetic & Hematologic Signs

111. Blue Sclera

     – Associated: Osteogenesis Imperfecta

     – Description: Thinned collagen reveals choroid

     – Key: Recurrent fractures

112. Waddling Gait

     – Associated: Duchenne Muscular Dystrophy

     – Description: Weak gluteal muscles

     – Key: Gower’s sign present

113. Gower’s Sign

     – Associated: Duchenne MD

     – Description: Uses hands to climb up body

     – Key: Elevated CPK, X-linked

114. Café-au-lait Spots

     – Associated: Neurofibromatosis Type 1

     – Description: Hyperpigmented skin macules

     – Key: >6 spots >5 mm in prepubertal child

115. Ash Leaf Spots (on Wood’s Lamp)

     – Associated: Tuberous Sclerosis

     – Description: Hypopigmented macules

     – Key: Along with shagreen patch, seizures

116. Becker Nevus

     – Associated: Benign hamartoma

     – Description: Hyperpigmented patch with hair

     – Key: More common in adolescent boys

117. Pectus Carinatum / Excavatum

     – Associated: Marfan Syndrome

     – Description: Pigeon chest / funnel chest

     – Key: Look for MVP, lens dislocation

118. Arachnodactyly

     – Associated: Marfan Syndrome

     – Description: Long slender fingers

     – Key: Steinberg sign, aortic aneurysm risk

119. Hypermobile Joints

     – Associated: Ehlers-Danlos Syndrome

     – Description: Stretchable skin + joint laxity

     – Key: Risk of bleeding, rupture

120. Short Stature + Webbed Neck

     – Associated: Turner Syndrome (XO)

     – Description: Female with primary amenorrhea

     – Key: Horseshoe kidney, coarctation of aorta

121. Macroglossia + Omphalocele

     – Associated: Beckwith-Wiedemann Syndrome

     – Description: Overgrowth syndrome

     – Key: Hypoglycemia in infancy

122. Frontal Bossing + Delayed Fontanelle Closure

     – Associated: Rickets

     – Description: Vitamin D deficiency

     – Key: Rachitic rosary, bow legs

123. Hair on End Appearance

     – Associated: Thalassemia Major

     – Description: Skull X-ray shows radiating trabeculae

     – Key: Extramedullary hematopoiesis

124. Heinz Bodies

     – Associated: G6PD Deficiency

     – Description: Denatured Hb in RBCs

     – Key: Bite cells, hemolysis after oxidative stress

125. Target Cells

     – Associated: Thalassemia, Liver Disease

     – Description: RBCs with central Hb

     – Key: Seen in Hb electrophoresis

126. Reed-Sternberg Cells

     – Associated: Hodgkin Lymphoma

     – Description: Owl-eye appearance

     – Key: CD15+, CD30+

127. Philadelphia Chromosome

     – Associated: CML (rare in children)

     – Description: t(9;22) BCR-ABL

     – Key: Tyrosine kinase targeted therapy

128. Pancytopenia + Massive Splenomegaly

     – Associated: Hairy Cell Leukemia (rare)

     – Description: Dry tap on aspiration

     – Key: TRAP positive

129. Slapped Cheek Rash

     – Associated: Parvovirus B19

     – Description: Red cheeks in child

     – Key: Aplastic crisis in sickle cell

130. Microcytic Hypochromic Anemia

     – Associated: Iron Deficiency

     – Description: Low MCV, pallor

     – Key: Pica may be present

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 🦠 131–150: Infectious Disease & Classic Pediatric Signs

131. Barking Cough

     – Associated: Croup

     – Description: Seal-like cough

     – Key: Stridor, viral cause

132. Strawberry Tongue

     – Associated: Scarlet Fever, Kawasaki

     – Description: Red, enlarged papillae

     – Key: Fever + rash combo

133. Sandpaper Rash

     – Associated: Scarlet Fever

     – Description: Fine erythematous rash

     – Key: Pastia lines at creases

134. Koplik Spots

     – Associated: Measles

     – Description: Bluish-white spots on buccal mucosa

     – Key: Pathognomonic, appear before rash

135. Cough + Conjunctivitis + Coryza

     – Associated: Measles

     – Description: 3 C’s of prodrome

     – Key: Rash starts behind ears

136. Paradoxical Irritability

     – Associated: Meningitis

     – Description: Cries more when soothed

     – Key: Especially in neonates

137. Bulging Fontanelle

     – Associated: Raised ICP, Meningitis

     – Description: Tense anterior fontanel

     – Key: Sign of CNS infection

138. Opisthotonus

     – Associated: Tetanus, Meningitis

     – Description: Hyperextension posture

     – Key: Seen in severe CNS irritation

139. Pseudomembrane over Tonsils

     – Associated: Diphtheria

     – Description: Gray-white membrane

     – Key: Bleeds on removal

140. Bull Neck Appearance

     – Associated: Diphtheria

     – Description: Cervical lymphadenopathy + edema

     – Key: Toxin-mediated disease

141. Painless Ulcer + Black Eschar

     – Associated: Cutaneous Anthrax

     – Description: Necrotic lesion

     – Key: History of animal exposure

142. Hutchinson Teeth

     – Associated: Congenital Syphilis

     – Description: Peg-shaped central incisors

     – Key: Also interstitial keratitis

143. Snuffles (Nasal Discharge)

     – Associated: Congenital Syphilis

     – Description: Persistent rhinitis

     – Key: Highly infectious

144. Blueberry Muffin Rash

     – Associated: TORCH infections

     – Description: Dermal extramedullary hematopoiesis

     – Key: Especially CMV, Rubella

145. Hydrops Fetalis

     – Associated: Parvovirus B19, Alpha-thalassemia

     – Description: Generalized fetal edema

     – Key: Heart failure in utero

146. Limp Child + Refuses to Walk

     – Associated: Septic Arthritis

     – Description: Hip pain, limited movement

     – Key: Emergency drainage required

147. Trismus (Lockjaw)

     – Associated: Tetanus

     – Description: Masseter muscle spasm

     – Key: Neonatal tetanus via umbilicus

148. Maculopapular Rash in Flexures

     – Associated: Rubella

     – Description: Mild fever, posterior auricular nodes

     – Key: Teratogenic in pregnancy

149. Petechial Rash + Shock

     – Associated: Meningococcemia

     – Description: Non-blanching purpura

     – Key: Rapid deterioration, DIC

150. Swollen Parotid + Orchitis

     – Associated: Mumps

     – Description: Salivary gland + testicular inflammation

     – Key: Risk of infertility

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✅ That completes the full 150 signs, grouped and systematized for pediatric clinical utility. Let me know if you’d like:

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