Ambulatory Care Clinical Data Interpretation Flashcards
7 cards from real Ambulatory Care Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Ambulatory Care Clinical Data Interpretation flashcards as text
A patient's chest X-ray shows cardiomegaly. Which serum laboratory finding is most consistent with compensated heart failure?
Answer: Elevated BNP (B-type natriuretic peptide)
BNP is released from ventricular myocytes in response to increased wall stress and volume overload, making it a key biomarker of heart failure.
A fasting lipid panel shows triglycerides of 620 mg/dL. What is the most important immediate concern?
Answer: Risk of acute pancreatitis
Severe hypertriglyceridemia (>500 mg/dL) dramatically increases the risk of acute pancreatitis, which is the primary urgent concern.
A point-of-care INR is 1.4 in a patient on warfarin for atrial fibrillation (target INR 2-3). What is the most appropriate action?
Answer: Increase the weekly warfarin dose and recheck in 1-2 weeks
An INR below the therapeutic range in a patient with AF indicates insufficient anticoagulation, requiring a dose increase and early follow-up.
A patient with CKD stage 3 has a serum phosphorus of 5.8 mg/dL. What complication does this elevation most directly promote?
Answer: Secondary hyperparathyroidism and renal osteodystrophy
Hyperphosphatemia in CKD stimulates PTH secretion, leading to secondary hyperparathyroidism and subsequent renal osteodystrophy.
A patient has a peak flow reading of 55% of personal best during an asthma visit. How should this be classified?
Answer: Red zone — medical alert, requires immediate intervention
A peak flow below 60% of personal best falls in the red zone, indicating severe airflow obstruction requiring immediate bronchodilator use and medical evaluation.
A CBC shows platelets of 52,000/µL in a patient newly started on heparin. What diagnosis should be suspected?
Answer: Heparin-induced thrombocytopenia (HIT)
A platelet drop of >50% occurring 5-10 days after heparin initiation is a hallmark of HIT, an immune-mediated complication requiring immediate heparin discontinuation.
A 50-year-old man has a PSA of 5.2 ng/mL. Which factor most significantly affects interpretation of this result?
Answer: Patient's age and prostate volume
PSA interpretation requires consideration of age-specific reference ranges and prostate volume, as benign prostatic hyperplasia can elevate PSA independent of cancer.