Urinalysis Case Studies
Case Study # 1: Women with Muscle Trauma and Mystery Infection
A 40 year old women is on the way to her doctor's office because of a
suspected Urinary Tract Infection. At a stop light her car is hit head
on and badly damaged. The women was trapped in her car for almost an
hour before firefighters could free her. Paramedics at the scene noted
a severe muscle crush injury.
| Color |
Red |
Clarity |
Clear |
pH |
5.0 |
Ketone |
15
mg/dl |
Leukocyte |
Large |
| Protein |
2+ |
Glucose |
Negative |
Nitrite |
Negative |
Bilirubin |
Negative |
Blood |
Large |
Microscopic:
RBC: 0-2/hpf
WBC: > 100/hpf
Yeast: many
Bacteria: rare
Question # 1: Is there a discrepancy between the Blood stix test and
the microscopic results? If so, what could account for this?
Answer
Question # 2: Besides the women's recent car accident, are there any
test results (chemical, microscopic, or physical) that hint at the
presence of Myoglobin? Answer
Question # 3: The doctor orders an Acetest to confirm the presence of
ketones. However the results come back as negative. What could account
for the 15 mg/dl seen on the stix pad? Answer
Question # 4: What formed elements can be seen in the photomicrograph?
Do they correlate with the microscopic results? Answer

Question # 5: A new student in the UA lab encounters one example of the
element seen below and becomes extremely worried. What element is seen
below and why should the student not be concerned? Answer
