28 results
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
curves comparing normal ... commonly available spirometers ... Diagnosis #Pulmonary #Spirometry ... #Restrictive #Normal ... #Comparison
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
Patterns of pulmonary ... For comparison, ... a normal loop is ... Diagnosis #PFTs #Spirometry ... #Comparison #Normal
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Findings: Variably abnormal ... spirometry - FEV1 ... bronchodilator, Spirometry ... often normal or ... spirometry - FEV1
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
Causes of Chronic Pediatric Cough - Differential Diagnosis Algorithm
Poor Growth
 - Non-Specific CXR
Infection - Abnormal ... • Tumor Normal ... • Asthma - Abnormal ... Congenital Anomaly - Normal ... #Causes #Peds #
Causes of Congenital Anomalies - Differential Diagnosis Algorithm
Malformation
 • Embryonic development failure or inadequacy (often multifactorial)
Deformation
Differential Diagnosis Algorithm ... Deformation • Abnormal ... distorting otherwise normal ... of previously normal ... #Causes #Peds #
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
Asthma
Chronic lung disease characterized by airway inflammation, airway and variable expiratory air flow obstruction
There are 2
lower limit of normal ... Reversibility on spirometry
First-line therapies for Asthma, Asthma-COPD Overlap and COPD

The diagnosis of COPD, asthma, and ACO initially requires
of the type and pattern ... symptoms, and spirometry ... #Differences #Algorithm
Causes of Respiratory Distress in the Newborn - Differential Diagnosis Algorithm
Premature Newborn
 - Normal CXR:
Differential Diagnosis Algorithm ... Premature Newborn - Normal ... • Narcosis - Abnormal ... Differential #Diagnosis #Algorithm ... #Causes #Peds #