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Chapter 20 (Powerpoint)
Terms in this set (30)
Focused assessment with sonography for trauma
Limited examination of abdomen or pelvis to evaluate free fluid or ______ fluid.
Goal to scan for free fluid or hemoperitoneum:
Four quadrants, pericardial sac and cul-de-sac.
Scan _____ to look for pericardial effusion.
Sonographic appearance of hepatic and splenic injury varies according to __ and __ of injury.
Sonography best at detecting liver ___ or ___.
lacerations or contusions. (These appear as heterogeneous or hyperechoic)
Pitfall with parenchymal injury is a female of ____ age with free fluid isolated to the cul-de-sac is likely physiologic.
Hematomas and localized lacerations appearance ( effected by time )
Initially hypoechoic with low-level echoes from RBCs, echogenic as blood begins to coagulate, more anechoic over time with onset of hemolysis.
Cholecystitis: Clinical findings
RUQ pain, Fever, Nausea, vomiting and Leukocytosis
Cholecystitis: Ultrasound findings
Thickened GB wall + Murphy's sign
Dilated GB over 10 cm
Pancreatitis: Clinical findings
Radiating to back
Elevated Amylase and Lipase
Pancreatitis: Sonographic findings
Normal to edematous gland
Increased vascular flow
The most common cause of acute choleycystitis is ____ with a cystic duct obstruction
Approximately ___ of dissections are located in the ascending aorta.
In the acute aortic dissection, time is of the essence and therefore ___ or __ are the imaging modalities of choice for evaluating aortic dissections.
magnetic resonance imaging (MRI) ; contrast-enhanced CT
The most sensitive and specific for the presence of stones are the __ and ___ ___
IVU; helical CT
Sonographically, stones as small as ____ may be seen.
Appendicitis: Clinical findings
Appendicitis: Sonographic findings
Distended, noncompressible appendix
McBurney's Rebound tenderness
Paraumbilical Hernia: Clinical findings
Asymptomatic to mild
Valsalva: shows exaggeration of mass
Reduce sac with gentle pressure
Paraumbilical Hernia: Sonographic findings
Lower abdominal mass; look discomfort for peristalsis of bowel hernia.
___ ___ is one of the most common diseases that necessitates emergency surgery and is common atraumatic surgical abdominal disorder in children _ years of age and older.
Acute appendicitis; 2
Scrotal Rupture: Emergency surgery within the first 72 hours _ saved.
Torsion of spermatic cord must be taken care of ___.
Sonographically the ____ stage may show the testis to have anormal homogenous pattern.
After _ to _ hours of torsion of spermatic cord the testis becomes swollen and hypoechoic.
After _ hours of torsion of the spermatic cord it becomes heterogeneous as a result of hemorrhage, infarction, necrosis and vascular congestion.
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