4 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
For comparison, ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... #Patterns #Comparison
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Variably abnormal spirometry ... - FEV1/FVC < 70% ... bronchodilator, Spirometry ... - FEV1/FVC < 70% ... #Asthma #COPD #comparison
Pulmonary Function Testing: Flow Volume Loop Patterns
 • Variable extra-thoracic obstruction - truncated or flattened inspiratory
Pulmonary Function ... and persevered FEV1 ... flow with reduced FEV1 ... nickmmark #FlowVolume
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
↓

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