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Mechanical ventilation

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  1. Measure patient's height and obtain predicted body weight from table:

    Height (cm)

    Male

    Female

     

    Height (cm)

    Male

    Female

    140

    39

    34

     

    165

    61

    57

    141

    40

    35

     

    166

    62

    58

    142

    41

    36

     

    167

    63

    59

    143

    41

    37

     

    168

    64

    60

    144

    42

    38

     

    169

    65

    61

    145

    43

    39

     

    170

    66

    62

    146

    44

    40

     

    171

    67

    62

    147

    45

    41

     

    172

    68

    63

    148

    46

    41

     

    173

    69

    64

    149

    47

    42

     

    174

    70

    65

    150

    48

    436

     

    175

    716

    66

    151

    49

    44

     

    176

    71

    67

    152

    50

    45

     

    177

    72

    68

    153

    51

    46

     

    178

    73

    69

    154

    51

    47

     

    179

    74

    70

    155

    52

    48

     

    180

    75

    71

    156

    53

    49

     

    181

    76

    72

    157

    54

    50

     

    182

    77

    72

    158

    55

    51

     

    183

    78

    73

    159

    56

    52

     

    184

    79

    74

    160

    57

    52

     

    185

    80

    75.

    161

    58

    53

     

    186

    81

    76

    162

    59

    54

     

    187

    81

    77

    163

    60

    55

     

    188

    82

    78

    164

    61

    56

     

    189

    83

    79

  2. Set PEEP 6-12 cmH2O
  3. I:E ratio 1:2 initially, increasing if necessary to 1:1
  4. Choose a mode of ventilation
    Volume control
    Pressure control

    Pressure regulated volume control
  5. Check PEEPi regularly and aim for PEEPi<2 cmH2O (ie PEEPtot-PEEPe<2)
  6. Consider prone ventilation if FIO2>0.5

Volume control

Pressure control

 

Pressure regulated volume control

 

©Charles Gomersall, April, 2014 unless otherwise stated. The author, editor and The Chinese University of Hong Kong take no responsibility for any adverse event resulting from the use of this webpage.
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