11 results
diagnosis differential comparison hypoxemia aa causes loops patterns pfts alveolar arterial asthma copd erythrocytosis forced fvc hematology hepatology hepatopulmonary icucard
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient Normal A-a Gradient: • ↓ Atmospheric pressure • Hypoventilation: CNS
Diagnosis Algorithm ... Normal A-a Gradient ... • ↓Diffusion Capacity ... #Diagnosis #Algorithm ... #pulmonary #Aa
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
Forced vital capacity ... curves comparing normal ... #Diagnosis #Pulmonary ... #Spirometry #FVC ... #Restrictive #Normal
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 ... #pulmonary
Flow Volume Loops - Common Patterns A. Normal B. Emphysema C. Unilateral Main Stem Bronchial Obstruction D. Fixed Upper Airway
Normal B. ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... #Patterns #pulmonary
Approach to the A-a Gradient A-a gradient = PAO2 - PaO2 A-a gradient = [FiO2 x (Patm -
/0.8)] - PaO2 Normal ... to normal age adjusted ... Intracardiac, Pulmonary ... V/Q Mismatch: Pulmonary ... #Hypoxia #hypoxemia
Hypoxia and Hypoxemia - Overview Hypoxia - insufficient oxygen delivered to tissues to meet demands Hypoxemia - low
Hypoxia and Hypoxemia ... - Overview Hypoxia ... Insufficient O2 carrying capacity ... blood loss) or abnormal ... #pulmonary #differential
Asthma vs COPD Presentation and Diagnosis Asthma: • Epidemiology: Age usually < 45, History (personal or family)
Exam: Usually normal ... spirometry - FEV1 ... Hyperresonance, Hypoxemia ... spirometry - FEV1 ... comparison #Diagnosis #pulmonary
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm Elevated Hemoglobin: • Males: Hb > 16.5 g/dL/HCT ≥ 49% •
Differential Diagnosis Algorithm ... Acquired Causes: • Hypoxia-driven ... : Cardiac/pulmonary ... ), TEMPI (VEGF normal ... Differential #Diagnosis #Algorithm
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm Pulmonary Arterial Hypertension • Idiopathic • Associated with:
Causes of Pulmonary ... Differential Diagnosis Algorithm ... Pulmonary Arterial ... Disease - Portal ... Disease and/or Hypoxemia
Hepatopulmonary Syndrome - Diagnosis and Management Summary A defect in arterial oxygenation due to a gas exchange
upright position • Hypoxemia ... Quantifies degree of hypoxemia ... cirrhosis • Intra-pulmonary ... perfusion scanning or pulmonary ... 80mmHg or A-a gradient
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