13 results
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach to Acute ... sensitive) • AKI ... sediment • Received drug ... MatthewHoMD #Acute ... Algorithm #nephrology #diagnosis
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
excluded more common diagnoses ... Acute Eosinophilic ... Pneumonia (AEP) ... Consolidations AKA ... #Pneumonia #diagnosis
Medications causing Acute Kidney Injury (AKI)
Prerenal:
 • Dehydration: Diuretics
 • Altered intrarenal autoregulation: ACEIs / ARBs,
Kidney Injury (AKI ... , tenofovir • AIN ... sphincter tone: • Opiates ... #pharmacology # ... differential #diagnosis
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
Diagnosis Algorithm ... Asthma, Eczema, Drug ... Hypersensitivity (DRESS, drug-induced ... bartonella) • Rheum/AI ... #Differential #Diagnosis
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
- Differential Diagnosis ... - Parasites Drugs ... - DRESS - AIN ... Mastocytosis - Acute ... #Differential #Diagnosis
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Lung Diseases • Acute ... Fever, wheezing • Drug ... antibiotics, illicit drugs ... sx similar to AEP ... #differential #diagnosis
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Kidney Injury AKI ... - Differential Diagnosis ... Interstitial Nephritis (AIN ... Koratala @NephroP #AKI ... #Differential #Diagnosis
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Prerenal:
 • Due to true volume loss or decreased
(AKI) - Differential ... Diagnosis Framework ... hepatorenal, sepsis • Drugs ... contrast dye) • AIN ... Kidney #Injury #AKI
More common & convincing pneumonia mimics 

Aspiration pneumonitis, 
Pulmonary vasculitis, 
Acute eosinophilic pneummia,  
Cryptogeric organizing
vasculitis, Acute ... eosinophilic pneummia ... pneumonia, Drug ... Pneumocystis jiroveci (PIP ... #Differential #Diagnosis
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
Acute Kidney Injury ... Interstitial (eosinophils ... Avoiding nephrotoxic drugs ... appropriate) #Acute ... Kidney #Injury #AKI