12 results
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Asthma vs COPD Presentation ... and Diagnosis Asthma ... Findings: Variably abnormal ... chest, Pursed lip breathing ... #Diagnosis #pulmonary
Consensus diagnostic criteria for asthma-COPD overlap syndrome (ACOS) in patients with airflow limitation. COPD=chronic obstructive pulmonary
Consensus diagnostic ... criteria for asthma-COPD ... pulmonary disease ... oxide; FEV1=forced expiratory ... lower limit of normal
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
Normal The respiratory ... Causes include asthma ... bronchitis, and COPD ... #Abnormal #Diagnosis ... #PhysicalExam
Hoover's Sign

Hoover’s sign refers to inward movement of the lower rib cage during inspiration- instead of
outward as is normal ... Hoovers #Sign #Pulmonary ... #COPD #PhysicalExam ... Video #Clinical #Breathing ... #Paradoxical #Respiratory
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COPD Physical Exam Likelihood Ratios
Barrel Chest - LR 1.5
Pursed Lip Breathing - LR 2.7
Reduced breath sounds
COPD Physical Exam ... 1.5 Pursed Lip Breathing ... #PhysicalExam # ... LikelihoodRatios #LRs #diagnosis ... #pulmonary
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
- Differential Diagnosis ... • Tachypnea: Respiratory ... 20/min, shallow breathing ... Tachypnea: • Asthma ... • COPD • Pneumonia
COPD phenotypes:  Blue Bloaters vs. Pink Puffers
The two most stereotypical forms of COPD are pink
maintain a near-normal ... is similar to asthma ... patients present with respiratory ... in the work of breathing ... #Diagnosis #COPD
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An Algorithm for the Diagnosis of Wheezing and Stridor

Stridor: Louder, constant-pitch sound over central airways
Wheezing: Musical
Algorithm for the Diagnosis ... Bronchoconstriction: Asthma ... , COPD, Anaphylaxis ... Stridor #Noisy #Breathing ... #algorithm #pulmonary
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... severity Acute Respiratory ... lung sliding COPD ... or Asthma: - ... #differential #diagnosis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
- Differential Diagnosis ... Classically” noted with pulmonary ... lung disease (COPD ... , OSA, Asthma, Obesity ... Interpretation #Diagnosis