Table 1.

General Characteristics of Critically Ill Patients on Whom Ultrasound Was Performed

Subject #	Age (yr)	Sex	BMI (kg/m2)	Relevant Medical History	Reason for Admission to ICU	PEEP-induced Excursion (cm)	ΔPEEP (cm H2O)	PEEP at Baseline (cm H2O)	Support Pressure (cm H2O)	Vt (ml)
1	63	F	19.1	COPD, pancreatitis	Pneumonia	0.204	5	5	18	371
2	67	F	29.4	AVNRT, polymyalgia rheumatica, adenectomy, lumpectomy	Septic arthritis	0.500	5	5	20	344
3	32	F	37.5	Tetraplegia	Sepsis, APL	0.147	5	14	12	483
4	57	M	23.4	None	OHCA	0.630	5	10	14	478
5	62	M	30.6	DM type II, CVA	Necrotizing fasciitis	0.534	5	10	4	595
6	70	M	25.2	COPD	OHCA	1.232	10	10	8	499
7	61	M	26.3	DM type II	S. aureus septic arthritis	1.073	10	10	12	583
8	67	F	27.3	Myelofibrosis, hypertension	ARDS	0.374	10	10	4	552
9	65	F	32.7	None	Multiple trauma (including thorax)	0.314	10	12	12	488
10	89	M	24.1	Benign prostatic hyperplasia; paroxysmal atrial fibrillation	Neurotrauma (including multiple rib fracture)	0.803	10	10	6	435
11	70	F	21.6	Multiple myeloma, DVT	Pneumonia	0.380	10	12	23	332
12	77	M	27.9	CABG, right upper lobectomy due to adenocarcinoma	IHCA during elective CAG	0.612	10	10	10	385
13	56	M	21.6	None	Intracranial hemorrhage	2.210	10	10	14	404
14	48	M	24.7	LBBB	OHCA	0.879	10	10	8	470
15	70	F	29.4	DM type II	Peritonitis	0.740	10	10	10	374

Definition of abbreviations: APL = acute promyeloid leukemia; ARDS = acute respiratory distress syndrome; AVNRT = atrioventricular nodal reentrant tachycardia; BMI = body mass index; CABG = coronary artery bypass graft; CAG = coronary angiography; COPD = chronic obstructive pulmonary disease; CVA = cerebrovascular accident; DM = diabetes mellitus; DVT = deep vein thrombosis; IHCA = in-hospital cardiac arrest; LBBB = left bundle branch block; OHCA = out-of-hospital cardiac arrest; PEEP = positive end-expiratory pressure; S. aureus = Staphylococcus aureus.