A 65 year old male complains of nausea, vomiting, abdominal pain.
HPI: ringing ears, dizziness over 2 days.
PMHx: Osteoarthritis
Meds: Bayer aspirin, no known drug allergies (NKDA)
Social Hx:
- Alcohol in recent past
- Quit smoking
- Denies drug use
- No travel hx
- No new foods
- No thoughts/attempts of suicide
Physical:
- HR: 129
- BP: 111/66
- SpO2: 98
- Temp: 38.1 C
- Dry mucous membranes
- Ok turgor
- Breathing worsening
- No peripheral edema
- Took 2 Bayer pills every 2-3 hours over the past few days
Labs Ordered:
- Bolus normal saline
- Chem 7
- CBC
- Amylase
- Lipase
- Urinalysis
- Toxicology
- ABG
- Chest and abdominal X-ray
Results:
- High lymphocytes 55%
- High fever
- Salicylate level: 141
- Clear chest/abdominal x-ray
DDx:
- salicylate overdose
- respiratory alkalosis
- issues spleen
- duodenal ulcers
- kidney
Assessment & Plan:
- Gave fluids and sodium bicarb
- Repeat salicylate levels
- Chest & abdominal xray
- Dialysis
Take Home Points:
- Look at likelihood ratios from tests that will point you in certain directions when making a diagnosis.
- WBC could be a stress response, a way to rule out infection.