36 results
GOLD2017 - The refined ABCD assessment tool. FEV1: forced expiratory volume in 1 s; FVC: forced vital
FEV1: forced expiratory ... Chronic Obstructive Lung ... Council; CAT: COPD ... #Diagnosis #Pulmonary ... #COPD #GOLD2017
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
H. influenzae (COPD ... Moraxella catarrhalis (COPD ... Pseudomonas — COPD ... Legionella spp (COPD ... #Agents #Diagnosis
Causes of Pediatric Stridor - Differential Diagnosis Algorithm
Present Since Infancy with No Respiratory Distress:
 • Laryngomalacia
Present
Causes of Pediatric ... - Differential Diagnosis ... Hemangioma • Vocal Cord ... Hemangioma • Vocal Cord ... Peds #Pediatrics #Pulmonary
Hoover's Sign

Hoover’s sign refers to inward movement of the lower rib cage during inspiration- instead of
associated with COPD ... COPD, and more specifically ... hyperexpansion of the lungs ... Hoovers #Sign #Pulmonary ... #COPD #PhysicalExam
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
- Differential Diagnosis ... High-pitched, variable respiratory ... Hemangiomas • Vocal cord ... Anaphylaxis • Vocal cord ... #causes #pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... : Interstitial lung ... Pneumonia, asthma, COPD ... bypassing the lungs ... #Differential #Diagnosis
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
of the Spinal cord ... Spinal cord ... deficiency - Syrinx ... patients with a long ... #differential #diagnosis
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... - Differential Diagnosis ... Algorithm Pulmonary ... • Valvular Lung ... Hypoxemia: • COPD
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Secondary to chronic lung ... disease (COPD) ... • Hypoxia • Pulmonary ... Tachycardia #MAT #Cardiology ... #Diagnosis #ECG
Algorithm for Management of Acute Exacerbation of COPD (AECOPD)

Obtain workup for alternate diagnoses and relevant comorbidities:
Exacerbation of COPD ... ventilated • CXR, Lung ... 2 (or complete respiratory ... COPD Assess ... MatthewHoMD #COPD