URR 35 Flashcards
increased levels of platelets
thrombocytosis
Thrombocytosis can indicate ___, ___, ____, or ____
anemia
hemorrhage
myocardial infarction
history of splenectomy
determines the number/percentage of red blood cells in blood
hematocrit
Elevated hematocrit levels are associated with ___ and ____
dehydration
polycythemia vera
Lower hematocrit levels are associated with ___, ____, and ____
anemia
bleeding (ulcers, colon cancer, leaking aneurysms)
some medications
a protein in the red blood cells that carries oxygen
hemoglobin
More red blood cells = ____ hematocrit = ____ hemoglobin
increased
increased
Normal hematocrit levels in men
41%-50%
Normal hematocrit levels in women
36%-48%
Normal hemoglobin levels men
13-18g/dL
Normal hemoglobin levels women
12-16g/dL
Indications for spleen ultrasound
LUQ pain
splenomegaly
anemia
traumatic disorders
congenital anomalies
focal defects
hematogenic and lymphogenic disorders
liver disease
metastases
You should use a __MHz to ___ MHz probe for a spleen ultrasound in adults
2.5
6.5
You should use a __MHz-__MHz probe for a pediatric spleen ultrasound
4
8
A probe with a ___ footprint is recommended for a spleen ultrasound
smaller
NPO spleen
8-12 hours
___ views are preferred for evaluation of spleen
coronal
____ position may be helpful for obtaining an accurate length measurement of spleen
RLD
A good window for the spleen is usually between the ___ and __ ribs
10
11
If lung tissue is obscuring the spleen, ask the patient to:
take a deep breath, blow it all the way out and hold it
Measured as the greatest dimension in the longitudinal view
splenic length
measured from the hilum to outer capsule on transverse view
splenic thickness
generally considered the greatest dimension on the transverse view
splenic width
Splenic size is most accurately measured by __ or __
CT
MRI