9 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
Patterns of pulmonary ... comparison, a normal ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... #Normal #pulmonary
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
vital capacity (FVC ... curves comparing normal ... commonly available spirometers ... #FVC #Forced #Vital ... #Restrictive #Normal
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Loops - Common Patterns ... Normal B. ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... #Patterns #pulmonary
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Exam: Usually normal ... spirometry - FEV1 ... /FVC < 70%, Scooped ... often normal or ... /FVC < 70%, Modest
Asthma
Chronic lung disease characterized by airway inflammation, airway and variable expiratory air flow obstruction
There are 2
lower • FEV1 / FVC ... lower limit of normal ... Reversibility on spirometry ... Increase of FEV1 or FVC ... greater in FEV or FVC
Venous Excess Ultrasound (VExUS) - Fluid Overload and Venous Congestion Assessment
Step 1: IVC Diameter: If >2cm,
Doppler Step 3: Portal ... and any combo of Normal ... or Mildly Abnl Patterns ... Severely Abnl Pattern ... Severely Abnl Patterns
VExUS - Venous Excess Ultrasound Score 
Grade 0 - IVC grade < 3, HD grade 0,
Score Grade 0 - IVC ... 4, but normal HV ... /PV/RV patterns. ... with mild flow pattern ... with severe flow pattern
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Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... evaluation of the pattern ... *Abnormal USS may ... body mass index; FBC ... #LFTs #Abnormal
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
» HEMODYNAMIC PATTERNS ... CI/BVI Blood Flow ... (physiologic) FVC ... >3.0 L FEV1/FVC