81 results
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Syndromes and Mimics ... Antiphospholipid Syndrome ... , Leptospirosis, ... differentiation syndrome ... #Renal #Syndromes
Leptospirosis
Pathogen: Leptospira (interrogans, kirschneri, noguchii)
Risk Factors:
 • Occupational exposure - Farmers, ranchers, trappers, veterinarians
 • Recreational
Leptospirosis Pathogen ... failure • Severe pulmonary ... manifestations • MAT microscopic ... #Leptospira #microbiology ... #diagnosis #treatment
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Syndrome Definition ... Cough, Dyspnea, Fever ... Renal Syndromes ... Infection, Alport Syndrome ... #Renal #Syndrome
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
disease • Behcet's syndrome ... • Hyper-IgD syndrome ... receptor-associated periodic syndrome ... • Leptospirosis ... • Malaria • Leptospirosis
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Infections BRASH Syndrome ... Hyperkalemia Pulmonary ... • Tachy-Brady syndrome ... • Sick sinus syndrome ... Propofol infusion syndrome
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
Lung Abscess Microbiology ... to rnonths • Fever ... , hemoptysis Treatment ... Abscess #Diagnosis #Pulmonary
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
psittaci/avian, leptospirosis ... yersinia/rats, Q fever ... polyangiitis, microscopic ... Others: - Pulmonary ... abnormalities (Pulmonary
Differential Diagnosis - Noninfectious Causes of Fever

CRITICAL DIAGNOSES:
 - Acute myocardial infarction
 - Pulmonary embolism or
Noninfectious Causes of Fever ... infarction - Pulmonary ... Neuroleptic malignant syndrome ... Transfusion reaction - Pulmonary ... Postmyocardiotomy syndrome
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
ID Approach to Fever ... WNV, Mycoplasma, Leptospirosis ... Desquamative: Scarlet fever ... Viral hemorrhagic fevers ... angiomatosis, Sweet syndrome
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
GI - Felty syndrome ... • Felty's syndrome ... Shrinking lung syndrome ... SLE, Behçet's syndrome ... Ehlers-Danlos syndrome