70% of blood supply of scaphoid is by dorsal branch of radial artery
70% of scaphoid bones have arterial foramina through out their length
70% of carpal fractures are scaphoid fractures
70% of scaphoid fractures occur through the waist
70% of scaphoid fractures are detected on initial radiographs
70% proximal scaphoid fractures unite
70% unstable scaphoid fractures unite
Synonym: Goodsall-Salmon’s law In anal fistula, goodsall’s rule predicts the type of track and location of internal opening. An anterior external opening is more likely to have a straight track while a psoteriorly placed external opening is more likely to have a curved track. Mnemonic: Think of a dog with…
Remember the mnemonic – “Every Premature Child Takes Air“. The development of lungs comprises of 5 distinct stages: Embryonic (3-8 weeks, i.e. embryonic period) Pseudoglandular (5-16 weeks) Canalicular (16-26 weeks) Terminal saccular (26-36 weeks) Alveolar (36 weeks to 40 weeks and continues to childhood) The first and last stages, i.e….
Indications Gastric decompression Gavage (feeding) Gastric lavage (irrigation or dilution of gastric contents) Sampling of the gastric contents for analysis Sometimes used to instil air into the stomach to detect a gastric perforation on erect CXR Contraindications Basilar skull fractures (Risk of NG reaching brain) Facial fractures (risk of cribiform…