14 results
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 ... 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
Spirometry - PFT Interpretation Algorithm

- BWH Medicine Chiefs @BrighamChiefs

#Spirometry #PFTs #Interpretation #Algorithm #diagnosis #differential #pulmonary #function
Spirometry - PFT ... BrighamChiefs #Spirometry ... Algorithm #diagnosis #differential ... #pulmonary #function
Pulmonary Function Test (PFT) Interpretation Algorithm

Approach to PFTs:
1) Look at Flow-Volume Loop if available
2) FEV1/FVC <
Pulmonary Function ... at Flow-Volume Loop ... available 2) FEV1 ... #Pulmonary #Function
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Metabolic Alkalosis - Differential ... Vomiting • NG suction ... • Diuretics (loop ... NonGap #Nephrology #Differential
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis - Differential ... Remote use of loop ... Vomiting/nasogastric suction ... Metabolic #Alkalosis #Differential
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
- Nasogastric suction ... disease Drugs: - Loop ... Causes #diagnosis #differential
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Metabolic Alkalosis: Differential ... vomiting/ nasogastric suction ... • Thiazide or loop ... • Thiazide or loop ... Metabolic #Alkalosis #Differential
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