19 results
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
Pharyngitis - IDSA ... Bacterial • ... #diagnosis #differential ... #causes #bacteria ... #microbiology
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae ... Microbiology: Gram ... common cause of: CAP ... , Bacterial meningitis ... Specificity of 97%) Treatment
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 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
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
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... Diagnosis Framework ... OXYGEN • Low PATM Can ... • Causes: Pneumonia ... Diagnosis #pulmonary
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
Community Acquired Pneumonia - Presenting Features
 • History in favor of CAP: Dyspnea, Cough, particularly if
Community Acquired Pneumonia ... , Tachycardia, Hypoxemia ... when secondary to bacterial ... Septic shock, Respiratory ... #diagnosis #signs
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
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