Mnemonic: 2 out of ABCDEFG
1. Axillary or inguinal freckling
2. Bone lesions (sphenoid dysplasia, tibial pseudoarthrosis)
3. Cafe au lait macules/spots (>/= 6 in number; >/= 5 mm in prepubertal and >/= 15 mm in postpubertal)
4. Dermatologic neurofibroma
5. Eye hamartomas/Lisch nodules >/= 2
6. Family history (first degree relative)
7. Glioma of optic nerve
The diagnosis of NF1 requires atleast 2 of 7 NIH criteria.
Mnemonic: ME DIG FAST Required symptoms: Other symptoms: Several symptoms (ICD-11) or Atleast 3 (DSM-5) of – Mania Hypomania Required duration 7 days 4 days Functional impairment Yes No Flight of ideas & Psychotic symptoms Can have No
While everyone is busy talking about the brachial plexus – lumbosacral plexus (the origin of nerves that supplies everything below the umbilicus) seems to be bit under-rated. Formation of Lumbosacral Plexus Ventral rami of L1-S4; has 2 components – Lumbar plexus (L1-L4) – forms within psoas major anterior to lumbar…
Normal distribution Non-normal distribution a. Positive skew: Longer or fatter tail on right b. Negative skew: Longer or fatter tail on left 2X2 tables Disease present Disease absent Test positive TP FP Test negative FN TN Event Non-event Exposed or Treatment a b Non-exposed or Placebo c d Formulae Incidence…