37 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Arterial Hypertension ... Malformation • Severe Pneumonia ... #Hypoxia #Differential ... #Diagnosis #Algorithm
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
Pharyngitis - IDSA ... Bacterial • ... #diagnosis #differential ... #causes #bacteria ... #microbiology
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... - Atypical bacterial ... #CT #Patterns #Pulmonary ... ComputedTomography #Differential ... #Diagnosis #Chest
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
Stridor - Differential ... • Croup • Bacterial ... • Croup • Bacterial ... Stridor: • Bacterial ... #pulmonary #airway
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae ... Microbiology: Gram ... cause of: CAP, Bacterial ... Diagnosis: • Physical ... Specificity of 97%) Treatment
Causes of Pediatric Stridor - Differential Diagnosis Algorithm
Present Since Infancy with No Respiratory Distress:
 • Laryngomalacia
Present
Diagnosis Algorithm ... Infancy with No Respiratory ... Mononucleosis • Bacterial ... Partially-Treated Bacterial ... Peds #Pediatrics #Pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Atelectasis, ARDS, Pneumonia ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #differential ... #diagnosis
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... Diagnosis Framework ... • Causes: Pneumonia ... #Differential # ... Diagnosis #pulmonary
Rhodococcus - Microbiology Overview

Microbiology:
 • Facultative, intracellular, nonmotile, non-spore-forming
 • Aerobic acid-fast gram-positive coccobacilli
 • Produces
of contaminated material ... due to trauma Diagnosis ... Treatment: • ... #diagnosis #treatment ... #pulmonary #Bacteria
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... Diagnosis Framework ... tuberculosis, Bacterial ... , and fever BACTERIAL ... Infections #HIV #AIDS #pulmonary