173 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
comparison, a normal ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... Patterns #Comparison #Normal
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
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
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
spirometry - FEV1 ... bronchodilator, Spirometry ... often normal or ... near normal between ... spirometry - FEV1
HFrEF - Low Ejection Fraction on Physical Exam - Likelihood Ratios
 - Displaced Apical Impulse
 -
Apical Impulse - Abnormal ... - S3 Gallop - Normal ... #HFrEF #LowEF #PhysicalExam
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
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
HINTS Exam - Abnormal ... demonstrates: 1) Normal ... to the Left 2) Abnormal ... symptoms, this abnormal ... #Test #HINTS #PhysicalExam
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
result is positive (abnormal ... and negative (normal ... #Diagnosis #PhysicalExam
Capillary Refill Testing on Physical Exam

- The pressure is increased until the skin is blank and
return time of normal ... is defined as abnormal ... time #Testing #PhysicalExam
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
HINTS Exam - Abnormal ... demonstrates: 1) Normal ... to the Left 2) Abnormal ... symptoms, this abnormal ... #Test #HINTS #PhysicalExam