Skip to main content
. 2020 Jul 22;17(15):5273. doi: 10.3390/ijerph17155273

Table A1.

Analysis of different types of muda.

Muda # Process Activity # Direct Observation Type of Muda
1 1 Ambulance arrival. Patient cumulation (sometimes up to 6 patients) Delay
2 3 Transportation of patients from ambulance to emergency box Transportation
3, 4 4 MRI technician or nurse working as a hospital porter if required Unused Talent
Overprocessing
5 5 Handling patients from an ambulance stretcher to a hospital stretcher and placing mattress Movement
6, 7 7 MRI technician working as a nurse if required to register patients Unused Talent
Overprocessing
8 8 Registration activities to be redone when IMDH systems fail Overprocessing
9 11 Waiting time while phone is answered Delay
10 12 Phone calls to be repeated until somebody answers Overprocessing
11 9 Excessive or potential lack of inventory of paper, labels, or bracelets Inventory
12 14 Waiting for a nurse check Delay
13 21 Communication delay Delay
14 25 Blood extraction preparation to be repeated in the case of difficulties Overprocessing
15 28 Transportation of blood sample Transportation
16 32 Waiting time if several patients are in the emergency area Delay
17 34 Unnecessary doctor movement between box (patient) and desk (PC) Movement
18 48 Transportation of patients from emergency box to X-Ray Transportation
19 47 Waiting times upon X-Ray availability Delay
20 50 Handling of patients for X-Ray preparation Movement
21, 22 51 System error provoking delay (up to 5 min) and repeating operations Delay, Overprocessing
23 53 Defective X-Ray Defect
24 53 Repeated defective X-Ray Overprocessing
25 54 Duplicity X-Ray in computer and in paper Overproduction
26 55 Inventory of paper X-Ray plates Inventory
27 59 Waiting times to take patient to room Delay
28 60 Transportation of patients from X-Ray to room Transportation
29 65 Error in understanding doctor’s orders Defect
30 79 Deviations from original message given to patients Defect
31 70 Communication delay Delay
32 86 Communication delay Delay
33 96 If social issue, high risk of huge delays Delay
34, 35 85–100 Many actors, potential failures and errors Defect, Overprocessing
36 101 Daily visits to patients Transportation
37 114 Waiting for a decision Delay
38 126 Waiting for transportation to surgery area Delay
39 127 If surgery is delayed or postponed, patient preparation must be redone Overprocessing
40 129 Transportation of patients to surgery level Transportation
41, 42 131 Clothes changing Movement, Delay
43 133 Transportation of patient to surgery transfer area Transportation
44 137 Waiting for surgery Delay
45 135–143 Movement and preparation before and during surgery Movement
46 143 Potential errors during surgery Defects
47 147 Doctor transportation for cleaning and talking to the patient family Transportation
48 153 Transportation of patient to UCE Transportation
49 155 Waiting time if busy area Delay
50 164 Transportation of blood sample to Laboratory Transportation
51 178 Homoderivative might not be necessary Overproduction
52 183 Delay Delay
53 187 Transportation of patient to X-Ray Transportation
54 190 Delay Delay
55 193 Transportation of patient to room Transportation
56 210 Daily visits to patients Transportation
57 211 Delay Delay
58 218–221 If social issue, high risk of huge delays Delay
59, 60 240 Patient returns sooner than expected due to a recovery issue Defect; Overprocessing