13 results
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
Pharyngitis - IDSA ... Bacterial • ... #diagnosis #differential ... #causes #bacteria ... #microbiology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Diagnosis: Causes ... syndrome, intestinal bacterial ... , pain, fever, hypoxia ... Classically” noted with pulmonary ... with associated hypoxia
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Atelectasis, ARDS, Pneumonia ... #pulmonary #Hypoxia ... #hypoxemia #differential ... #diagnosis
Prevalence (Mean Percentage of Positive Specimens) of Various Respiratory Pathogens From Sinus Aspirates in Patients With
Patients With Acute Bacterial ... Streptococcus pneumoniae ... growth #Acute #Bacterial ... #differential # ... diagnosis
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... and sputum cx (Bacterial ... Urine Histo Ag, Respiratory ... HIVAIDS #workup #diagnosis ... #evaluation #differential
Differential Diagnosis of Respiratory Acid-Base Disorders
Alkalosis
A. Central nervous system stimulation: Pain, Anxiety, psychosis, Fever, Cerebrovascular accident,
Differential Diagnosis ... Hypoxemia or tissue ... hypoxia: High altitude ... , Pneumonia, pulmonary ... #diagnosis #causes
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
(CAP) - Diagnosis ... (LR + 2.7) • Hypoxia ... or CT Scan Bacterial ... #CAP #Diagnosis ... #Pulmonary #Community
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Pathogens: • Aerobic Bacteria ... Bacteria: - Bacteroides ... Lung Abscess Differential ... Lung #Abscess #pulmonary ... #differential #
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
- Differential ... before beginning treatment ... output - Acute pulmonary ... - Sepsis - Bacterial ... #Elevation #Differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... cultures (sputum for bacteria ... mycobacteria Treatment ... #differential # ... diagnosis