Why include ant ST on lat Cspine - ACCURATE ANSWER-Pre verterbal fat stripe- widening=#, mass, inflammation
Air gap technique - ACCURATE ANSWER-reduces scatter, increases contrast
IP 10-15 cm away from pt
mAs increase 10% for every cm gap
Not effective with high kV
why expiration with pneumo - ACCURATE ANSWER-reduces lung vol, pneumo occupies larger area- easier to see
Spondylolisthesis - ACCURATE ANSWER-forward displacement of a vertebra commonly occurs after # (pars)
Spondylolysis - ACCURATE ANSWER-occurs when there is a fracture of the pars portion of the vertebra.
Situs inverus - ACCURATE ANSWER-organs on opposite side
dyspneic - ACCURATE ANSWER-SOB
hematuria - ACCURATE ANSWER-blood in urine
cystitis - ACCURATE ANSWER-bladder infection
judet - ACCURATE ANSWER-c: side in contact ant acetabular rim (external obl)
o: side raised post ace rim T/z score - ACCURATE ANSWER-T: bone loss compared to peak (30 yr old)- assess # risk, Osteoporosis
Z: compared to pts bmd of same age group + race
Normal: > -1
Osteo: <-2.5
AP knee angle - ACCURATE ANSWER-18 cm and less: 5 caudad
19-24cm: no angle
25cm +: 5 ceph
indication of ant hip dislocation - ACCURATE ANSWER-ext rotated foot
Outlet/ inlet - ACCURATE ANSWER-oulet: around 25-30 (men) 45 women ceph for rami inlet: 40 caudad for pelvic ring
Lat Tspine if pt has big sholders - ACCURATE ANSWER-angle 10-15 ceph
Hypovolemic shock - ACCURATE ANSWER-fluid loss 15-25% SS: cold and clammy, thirst, cyanosis
What to do: elevate legs( trendelenberg), keep warm
Ba Enema tips - ACCURATE ANSWER-insert tube ant + sup
hang bag 46cm 18inch
24 hrs prior clear liquid diet
Stomach positions - ACCURATE ANSWER-GI position RAO: Ba in duodenal bulb, pyloric canal (also seen in rt lat) LPO: fundus
Lat: ant/post stomach, retrogastric space
PA: Ba in body and pylorus/ air in fundus
AP: Ba filled fundus and duodenum/jejunum
Ba Enema views - ACCURATE ANSWER-Shisard: PA (30 caud) Rectosigmoid
LPO/RAO: hepatic/colic flex, asc colon, sigmoid
RPO/LAO: splenic, desc
Aliasing/ Moire - ACCURATE ANSWER-wavy grid artifact
common with low freq stationary non moving grid grid strips parallel with scan direction (should be perp)
Grid kV - ACCURATE ANSWER-90kV and less use a 8:1 grid
need 15% more dose
Varus/ Valgus - ACCURATE ANSWER-Varus move distal segment medial
Valgus move lat
OBL wrist demo - ACCURATE ANSWER-Trapezium, trapezoid, scaphoid
base 2-5 SI Pisiform SI triquetral
Cardiogenic shock - ACCURATE ANSWER-with pulm emb, myocardial infarction: Heart
not pumping enough blood to organs
SS: chest pain, dizziness, change in consciousness, cool clammy, decr Bp, Irregular pulse
What to do: place in semi fowlers, prepare for CPR