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Clinical Exercise Testing Flashcards

7 cards from real ACSM practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Clinical Exercise Testing flashcards as text

  1. When performing a 6-minute walk test (6MWT) in a patient with heart failure, which outcome measure is most clinically relevant?

    Answer: Total distance walked in 6 minutes

    Total distance walked in 6 minutes is the primary outcome of the 6MWT and correlates with functional capacity and prognosis in heart failure patients.

  2. Which ECG finding during exercise most specifically indicates left ventricular volume overload rather than ischemia?

    Answer: Tall R waves with ST elevation in aVR

    ST elevation in aVR with reciprocal changes can indicate left main or proximal LAD occlusion causing volume/pressure overload, though interpretation requires full clinical context.

  3. A clinically obese patient (BMI 41) cannot complete Stage 1 of the Bruce protocol. What is the most appropriate alternative protocol?

    Answer: Modified Bruce protocol starting at a lower grade

    The Modified Bruce protocol adds two lower-intensity stages (0% and 5% grade at 1.7 mph) before Stage 1, making it appropriate for deconditioned or obese individuals.

  4. During a maximal exercise test, a patient's RER reaches 1.15. What does this indicate?

    Answer: Maximal or near-maximal effort has been achieved

    An RER >1.10 during exercise indicates significant CO2 release from bicarbonate buffering of lactic acid, confirming near-maximal effort.

  5. Which blood pressure response during exercise is considered hypertensive and warrants test termination?

    Answer: SBP >250 mmHg or DBP >115 mmHg

    ACSM guidelines recommend stopping the exercise test if SBP exceeds 250 mmHg or DBP exceeds 115 mmHg to prevent hypertensive emergency.

  6. The double product (rate pressure product) during a GXT is calculated as:

    Answer: HR × systolic BP ÷ 100

    Rate pressure product = HR × systolic BP, and it correlates with myocardial oxygen demand; it is used to track ischemic thresholds across tests.

  7. A patient stops a GXT at Stage 3 of the Bruce protocol (3.4 mph, 14% grade). Using MET tables, his estimated VO2max is approximately:

    Answer: 11 METs

    Bruce Stage 3 corresponds to approximately 34.8 mL/kg/min, which is roughly 10–11 METs, depending on body weight and mechanical efficiency.