spirometry flowvolume fev1 function loops test - GrepMed

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Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with

by flow-volume loops ... comparison, a normal loop ... See text for details ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops

Pulmonary Function Testing: Flow Volume Loop Patterns
• Variable extra-thoracic obstruction - truncated or flattened inspiratory

Pulmonary Function ... Testing: Flow Volume Loop ... and persevered FEV1 ... nickmmark #FlowVolume ... #Loops #pulmonary

Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway

Flow Volume Loops ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops

Pulmonary Function Test (PFT) Interpretation Algorithm

Approach to PFTs:
1) Look at Flow-Volume Loop if available
2) FEV1/FVC <

Pulmonary Function ... Test (PFT) Interpretation ... at Flow-Volume Loop ... available 2) FEV1 ... #Pulmonary #Function

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

/EDV Ejection Fraction ... CI/BVI Blood Flow ... physiologic) FVC FEV1 ... Capacity >3.0 L FEV1 ... 5.2561) 19-21 % Fraction

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