3611 results
Differential Diagnosis - Noninfectious Causes of Fever

CRITICAL DIAGNOSES:
 - Acute myocardial infarction
 - Pulmonary embolism or
Noninfectious Causes ... Neuroleptic malignant syndrome ... heart failure - Dehydration ... Postmyocardiotomy syndrome ... Noninfectious #Causes
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Classification Prerenal: • Dehydration ... a.k.a. cardiorenal syndrome ... a.k.a. hepatorenal syndrome ... tubular necrosis (causes
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
vs Tumor Lysis Syndrome ... high WBC count cause ... hyperviscosity syndrome ... PRBC transfusion, Dehydration ... #Tumor #Lysis #Syndrome
Causes of Syncope - Differential Diagnosis Algorithm
Cardiac - Arrhythmia:
 • Tachyarrhythmia
 • Bradyarrhythmia
 • Supraventricular Tachycardia
Causes of Syncope ... • Sick-Sinus Syndrome ... Orthostatic: • Dehydration ... Diagnosis #Algorithm #Causes
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
• Hemorrhage, dehydration ... findings based on cause ... anaphylaxis, release syndrome
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
: • Excessive hydration ... close to 1.035: • Dehydration ... • SIADH (syndrome
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... found in 60% of cases ... Sarcoidosis or Lofgren's syndrome ... Nodosum #Mnemonic #Causes
Hyperthermic Syndromes - This table summarizes the similarities and differences between some toxicologic causes of hyperthermic
Hyperthermic Syndromes ... some toxicologic causes ... of hyperthermic syndromes ... • Serotonin syndrome ... #Hyperthermic #Syndromes
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
and Nephrotic Syndromes ... Nephritic syndrome—due ... RBC casts in urine ... but in severe cases ... Nephritic #Nephrotic #Syndromes
Causes of Metabolic Alkalosis - Differential Diagnosis
Chloride depletion syndromes
 • Gastrointestinal losses
    -
Causes of Metabolic ... Chloride depletion syndromes ... • Liddle syndrome ... administration Other causes ... Differential #Diagnosis #Causes