44 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
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
Chronic lung disease characterized by airway inflammation, airway and variable expiratory air flow obstruction
There are 2
Asthma Chronic ... obstruction: • FEV1 ... 0.70 or lower • FEV1 ... lower limit of normal ... Reversibility on spirometry
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
spirometry - FEV1 ... often normal or ... near normal between ... : Persistently abnormal ... spirometry - FEV1
Causes of Chronic Pediatric Cough - Differential Diagnosis Algorithm
Poor Growth
 - Non-Specific CXR
Differential Diagnosis Algorithm ... Infection - Abnormal ... • Tumor Normal ... • Asthma - Abnormal ... Congenital Anomaly - Normal
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
of Anemia with Normal ... RA, SLE, PRV, Chronic ... ) Normal/lncreased ... Anemias (MAHA) - Abnormal ... Hemoglobinopathy - Normal
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Relative - Normal ... Positive - Low/Normal ... Saturation 90%, Abnormal ... carboxyhemoglobin, Abnormal ... Heart Disease Abnormal
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
Levels: > 50x normal ... Hepatitis > 20x normal ... Thrombosis 5-10x normal ... - Chronic hepatitis ... muscle 2-5x normal
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Differential Diagnosis Algorithm ... Hepatocellular Pattern ... AST): • US - Normal ... LFTs #Elevated #Abnormal
Evaluation abnormal liver tests in pregnancy
- Cholestatic Pattern
- Hepatocellular Pattern

#LFTs #transaminits #pregnancy #obgyn #obstetrics #hepatology #diagnosis
Evaluation abnormal ... - Cholestatic Pattern ... Hepatocellular Pattern ... #differential #algorithm