Cardiovascular Flashcards
- Responsible gene indicathed in 22q11.2 deletion syndrome
- TBX1
- related to dosage defect
Major electrolyte abnormality in 22q11.2 deletion syndrome
- Hypocalcemia
- Check PTH
Major heart defects found in 22q11.2 deletion syndrome
- TOF
- IAA type B
- Conotruncal defects
Which arteries should be assessed prior to pharyngeal SX in individuals with 22q11.2 deletion syndrome
- Internal carotid arteries
- because of medial deviation
Size deletion most common in 22q11.2 deletion syndrome
- 3Mb deletion
Some individuals with signs and symptoms of 22q11.2 deletion without deletion of the DSCR may harbour this deletion
- 10p13-p14 deletion
Name the features unique to this syndrome
- Alagille Syndrome
- JAG1 and NOTCH2
- Prominant forehead
- pointed chin
- deep set eyes
- saddle or straight nose with bulbous tip
Liver finding associated with Allagile syndrome
- Paucity of bile ducts
- leads to cholestasis
Common eye finding found in condition caused by JAG1 and NOTCH2 mutations
- Alagille Syndrome
- Posterior embryotoxon
- ST segment abnormalities in leads V1-V3
- Family history of sudden death
- sudden death at 40
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- Brugada Syndrome
- SCN5A
- AD
- except KCNE5 XLR
- cause of SIDS
- high risk for ventricular arrhythmias and sudden death
- Facial features associated with this syndrome
- Cardio-Facial-Cutaneous Syndrome
- High forehead, bitemporal narrowing
- posterior rotated ears with thick helices
- hypertelorism and down slanting eyes
- cupid bow lips
- Skin findings of Cardio-Facial-Cutaneous Syndrome
- BRAF, MAP2K1, MAP2K2, KRAS
- Xerosis
- Hyperkeratosis
- icthyosis
- eczema
- ulerythema ophyrogenes
Neoplasm most likly associated with cardiofacialcutaneous syndrome
- ALL
- Acute lymphoblastic leukemia
Typical features of this syndrome?
- Costello
- Course facial features (full lips, large mouth, full nasal tip)
- curly/sparse fine hair
- smooth skin
- deep palmer/planter creases
Precentage lifetime cancer risk associated with costello syndrome and common cancer types?
- 15%
- Rhabdomyosarcoma and neuroblastoma in young children
- transitional cell carcinoma of the bladder in adolecents and young adults
- https://www.ncbi.nlm.nih.gov/books/NBK1507/