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

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
- Differential Diagnosis ... Hemangiomas • Vocal cord ... #differential #diagnosis ... #causes #pulmonary ... #airway #physicalexam
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... obesity-hypoventilation syndrome ... Pneumonia, asthma, COPD ... hepatopulmonary syndrome ... #Differential #Diagnosis
Tracheal Descent Sign

Paradoxical inward movement of the trachea during inspiration. Seen in this COPD patient in
Seen in this COPD ... Descent #Sign #clinical ... #video #physicalexam ... #respiratory #pulmonary ... breathing #Trachea #COPD
Campbell’s sign or Tracheal Descent in Longstanding COPD

Patients with longstanding COPD may show downward displacement of
in Longstanding COPD ... with longstanding COPD ... #clinical #video ... trachea #neck #physicalexam ... #pulmonary #respiratory
Hoover’s Sign on Physical Exam

Paradoxical retraction of the lower intercostal spaces on inspiration in this patient
patient in severe COPD ... Hoovers #Sign #PhysicalExam ... #clinical #video ... #pulmonary #COPD ... #respiratory
Hypophosphatemia and Hypoxia - Pathophysiology

↓ Phosphate leads to ↓ red cell 2,3-DPG and a  reduction
2,3-DPG which shifts ... Phosphate is a cause ... patients with COPD ... -DPG causing a shift ... pathophysiology #pulmonary
Consensus diagnostic criteria for asthma-COPD overlap syndrome (ACOS) in patients with airflow limitation. COPD=chronic obstructive pulmonary
Consensus diagnostic ... overlap syndrome ... pulmonary disease ... oxide; FEV1=forced expiratory ... limit of normal #Diagnosis
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... - Differential Diagnosis ... Acute Coronary Syndrome ... • Asthma • COPD ... #Differential #Diagnosis
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
- Differential Diagnosis ... • Tachypnea: Respiratory ... • Hyperpnea: Respiratory ... • Asthma • COPD ... #Differential #Diagnosis
Causes of Pediatric Stridor - Differential Diagnosis Algorithm
Present Since Infancy with No Respiratory Distress:
 • Laryngomalacia
Present
Causes of Pediatric ... - Differential Diagnosis ... Infancy with No Respiratory ... #Algorithm #Causes ... Peds #Pediatrics #Pulmonary