Case Report
Unusual Ventilatory Response to Exercise in Patient with Arnold-Chiari Type 1 Malformation after Posterior Fossa Decompression
Table 1
Cardiopulmonary exercise test results.
| | Baseline | Anaerobic threshold | VO2 Max |
| Ventilation | | | | RR | 10 BPM | 15 BPM | 31 BPM | | 0.57 L | 2.13 L | 2.56 L | Ve | 5.9 L/min | 31.5 L/min | 79.9 L/min | SpO2 | 96% | 96% | 96% |
| O2 consumption | | | | VO2 (mL/kg/min) | 3.8 | 22.7 | 34.6 (78% predicted) | VCO2 | 210 | 1671 | 3403 | RER | 0.81 | 1.08 | 1.43 |
| Cardiac | | | | HR | 97 bpm | 158 bpm | 194 bpm |
| V/Q | | | | Ve/VCO2 | 28 | 19 | 23 | Ve/VO2 | 23 | 20 | 34 | PETCO2 | 45 mmHg | 56 mmHg | 50 mmHg | PETO2 | 93 mmHg | 91 mmHg | 109 mmHg |
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