12 results
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Differential Diagnosis ... carcinoma of the lung ... hemorrhage) - Pulmonary ... Suppressed - Advanced renal ... #Table #Causes
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal ... confirm DAH, r/o infection ... recent DAN) • EMG ... or serologies + symptoms ... sparing of the lung
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
arthralgias, CV, renal ... , CNS, skin • Infectious ... #Diseases #pulmonary ... #differential #diagnosis ... #comparison #table
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
- Differential Diagnosis ... Manifestations: • Infection ... (most common: lung ... breast, prostate, renal ... #primarycare #table
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... residual lesion or is clear ... • Vasculitis (e.g ... #Abscess #pulmonary
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
- Differential Diagnosis ... Legionnaires disease • Pulmonary ... 94 and 84% Renal ... • Toxins • Infection ... associated with any symptoms
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
granulomas within the lungs ... , and possibly renal ... (e.g. incidental ... Pulmonary: dyspnea ... acute sarcoidosis Pulmonary
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Prednisone 5mg/kg ... Imaging: CXR- pulmonary ... : >3 symptoms, or ... : Infection (sepsis ... Anaphylaxis, Acute Renal
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
Amiodarone Induced Lung ... Direct cytotoxic lung ... gradually with symptoms ... failure - Infectious ... Improvement in symptoms
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Skin exam for infection ... indicated • EKG ... Obtain EKG if: ... unless prior heart/lung ... stratification #diagnosis