39 results
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
- Differential Diagnosis ... Hemangiomas • Vocal cord ... Anaphylaxis • Vocal cord ... #differential #diagnosis ... #causes #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 ... limit of normal #Diagnosis
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
- Differential Diagnosis ... • Tachypnea: Respiratory ... • Hyperpnea: Respiratory ... • Asthma • COPD ... or starvation ketoacidosis
GOLD2017 - The refined ABCD assessment tool. FEV1: forced expiratory volume in 1 s; FVC: forced vital
FEV1: forced expiratory ... Council; CAT: COPD ... #Diagnosis #Pulmonary ... #COPD #GOLD2017
Chronic Hypercapnic Respiratory Failure Phenotypes
Pink Puffers (robust vent drive) ↑ their WOB when pulmonary mechanics gradually
Chronic Hypercapnic Respiratory ... their WOB when pulmonary ... #Hypercapnic #Respiratory ... Failure #Phenotypes #COPD ... #diagnosis
COPD Physical Exam Likelihood Ratios
Barrel Chest - LR 1.5
Pursed Lip Breathing - LR 2.7
Reduced breath sounds
COPD Physical Exam ... LR 11.8 Early inspiratory ... SatyaPatelMD #COPD ... LikelihoodRatios #LRs #diagnosis ... #pulmonary
Causes of Pediatric Stridor - Differential Diagnosis Algorithm
Present Since Infancy with No Respiratory Distress:
 • Laryngomalacia
Present
- Differential Diagnosis ... Infancy with No Respiratory ... Since Infancy with Respiratory ... #Differential #Diagnosis ... Peds #Pediatrics #Pulmonary
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
- Differential Diagnosis ... Artery Disease • Stable ... • Asthma • COPD ... Pneumonia • ARDS • COPD ... #Differential #Diagnosis
Algorithm for Management of Acute Exacerbation of COPD (AECOPD)

Obtain workup for alternate diagnoses and relevant comorbidities:
Exacerbation of COPD ... for alternate diagnoses ... 2 (or complete respiratory ... deficiency for newly diagnosed ... Exacerbation #treatment #pulmonary
Comparison of Pathologic Breathing Patterns
Biot's respiration aka ataxic respiration:
 - Periodic breathing: hyperpnea (or normopnea) and
Ketones (Diabetic ketoacidosis ... of the brain (respiratory ... Breathing #Patterns #Respiratory ... #pulmonary #diagnosis