11 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Abscess Diagnosis ... foreign body, cancer ... Abscess Differential ... #Abscess #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
of Respiratory Center ... , Interstitial Lung ... UnremarkableLab #AA ... Hypoxia #hypoxemia #differential ... #diagnosis
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
coagulopathy) • CBC w differential ... BNP, troponin if concern ... involvement • Bronchoscopy ... sparing of the lung ... Renal #Syndromes #differential
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Diagnosis Framework ... infections (caries, abscess ... carcinoma • Thoracic ... subdural hematoma, lung ... cancer, central
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
those belonging to ... encounters due to ... disease, alcohol, cancer ... Diagnosis Of NTM ... NTM #Infections #differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
in the adjacent lung ... of the affected lung ... obstructive • Bronchoscopy ... #differential # ... diagnosis
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis infections/year ... cancer • Septic ... abscess Primary ... Tuberculosis Diagnosis ... Tuberculosis #TB #Diagnosis
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis infections/year ... cancer • Septic ... abscess Primary ... Tuberculosis Diagnosis ... Tuberculosis #TB #Diagnosis
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... Cerebral > Splenic, pulmonary ... Marantic (NTBE) Differential ... Diagnosis: • Rheumatic ... Criteria • ↑ ESR
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Assess functional ... murmur 3/6) - Pulmonary ... unless prior heart/lung ... upper abdominal/thoracic ... stratification #diagnosis