FlowVolume spirometry fev1 function loops normal copd - 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 ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... Patterns #Comparison #Normal

Asthma vs COPD Presentation and Diagnosis
Asthma:
• Epidemiology: Age usually < 45, History (personal or family)

spirometry - FEV1 ... bronchodilator, Spirometry ... often normal or ... near normal between ... spirometry - FEV1

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

Flow Volume Loops ... Normal B. ... 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

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 ... Perfusion Pressure COP ... physiologic) FVC FEV1 ... Capacity >3.0 L FEV1

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