13 results
Mechanical Ventilation: The Basics
In the most basic sense, ventilator modes are defined by their control variable
sense, ventilator modes ... there are many modes ... Volume: 6-8 cc/kg ... pressure for set ... #Comparison #management
Overview of Ventilator Modes
VC - Volume Control (a.k.a. assist control volume)
 - Every breath delivered (mandatory
of Ventilator Modes ... - Hybrid PC mode ... ratio ventilation (e.g ... #Ventilator #Modes ... #CriticalCare #Comparison
Volume Assist/Control Mechanical Ventilation
How does this mode work?
 • Delivers a set volume of air with
work? ... • Delivers a set ... ; pressure modes ... • TV- Use 8cc/kg ... #criticalcare #pulmonary
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
High CO / Low SVR ... Failure, Toxins/Medications ... • Obstructive: Pulmonary ... Embolism, Tension ... ) UOP > 0.5 cc/kg
Noninvasive Positive Pressure Ventilation (NIPPV)

Expiratory & Inspiratory Positive Airway Pressure
Both increase intrathoracic pressure, which can decrease
potentially improving SV ... generate larger VT ... exacerbation (cardiogenic pulmonary ... status • Won't Work ... NIPPV #CPAP #BPAP #indications
SPONT - Spontaneous Breathing = Pressure Support Ventilation Summary
Basic Set Parameters:
  1) Pressure Support (PS)
Parameters: 1) Pressure ... do some of the work ... means the patient ↑work ... > 8cc/kg at 6/6 ... #Ventilation #pulmonary
ASV - Adaptive Support Ventilation Summary
Basic Set Parameters:
  1) Target MV (80-120%)
  2) PEEP
lowest amount of work ... optimizing 1) Pinsp (pressure ... no significant pulmonary ... While a "weaning" mode ... choose different mode
Noninvasive Ventilation Summary
Positive pressure ventilation that is delivered through a nasal, mask, or helmet interface and
• Decreases work ... breathing by improving pulmonary ... tidal volumes (Vt ... for barotrauma (eg ... Ventilation #management #pulmonary
Perform computations online at:
ScyMed.com
6th ED
ICU-card
«ICU, Formulas & Drugs»
HEMODYNAMIC PATTERNS
Condition
SAP
CVP

PAP PCWP

CO C(a-v)02 PVR

SVR
Hypovolemic shock
↓
↓
↓
↓
↓
↑
↑
↑
Cardiogenic shock
↓
1
↑
1

1
↑

Septic shock
↓
↓
↓
↓
↑
↓
↓
↓
Cardiac Tamponade
.
↑
↑
1
↓

→
↑
RV
→ ↓ → →↑ Pulmonary ... Embolism ↓ ↑ ... Index CARDIAC WORK ... LCWI 3.4-4.2 kg ... RCWI Cardiac Work
Increased Airway Pressure - Guidelines for Crises in Anaesthesia

Using these steps from start to end should
Increased Airway Pressure ... blood gas, 12-lead ECG ... o Circulatory embolus ... o Aspiration, pulmonary ... Diagnosis #Management #Workup