A case of chronic inflammatory demyelinating polyneuropathy with reversible alternating diaphragmatic paralysis: case study

The Ultrasound Journal

Table 1 Patient’s data

Data	Admission day	Day 1	Day 2	Day 10
RASS	−3	−2	−2	0
Sedation	None	Propofol	Midazolam and morphine	Midazolam and morphine
Ventilation mode	15 L/min of O₂ via hudson mask	SIMV volume control	PSV	PSV
Tidal volume (mL)	Not ventilated	500	590	467
Respiratory rate (breath/minute)	30	16	19	23
PS (cmH₂O)	0	12	15	10
PEEP (cmH₂O)	0	10	5	5
FiO₂ (%)	0.6	0.4	0.3	0.3
pH	7.19	7.46	7.37	7.43
PaO₂ (mmHg)	190	96.7	73.7	107
PaCO₂ (mmHg)	73	37.4	52	35
HCO₃ (mmHg)	27	26.9	27	25
Left hemidiaphragm (cm)	Not studied	0	1.8	0.6
Right hemidiaphragm (cm)	Not studied	1.9	0	0.8

Normal value for hemidiaphragm excursion is 0.9–2 cm (3, 8)
RASS Richmond analgesia and sedation scores, SIMV synchronized intermittent mandatory ventilation, PSV pressure support ventilation, PS pressure support ventilation