19 results
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Diagnosis, and ... - Acute and chronic ... Vomiting - Diarrhea ... #Diagnosis #Table ... #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential ... deficiency, Salt-losing ... losses, Vomiting, Diarrhea ... : • Acute or chronic
Etiologies of Hypoaldosteronism

Hyporeninemic Hypoaldosteronism (Low Renin, Low Aldosterone)
 - Diabetic Nephropathy 
 - NSAIDs
Non-Hyporeninemic Hypoaldosteronism (Normal
Inhibitors - Chronic ... Hypoaldosteronism #Differential ... #Diagnosis #Renin ... #Aldosterone #Comparison ... #Table #Causes
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Diagnosis: Causes ... acetaminophen dosing ... acidosis: - Diarrhea ... or restrictive lung ... Interpretation #Diagnosis
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... Diagnosis Framework ... Long-standing vs ... • Vomiting, diarrhea ... #Causes #Differential
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... cough, SOB • Chronic ... Diseases #pulmonary #differential ... #diagnosis #comparison ... #table #eosinophilia
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... pneumonia • Chronic ... Abscess Differential ... Abscess #pulmonary #differential
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... abdominal pain, diarrhea ... Atopic diseases, Chronic ... #rheumatology #comparison ... #table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI losses - Chronic ... diarrhea / IBD ... #Diagnosis #Low ... #Magnesium #Table ... Classification #Causes
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... lung disease ... • Infectious diarrhea ... DDX - Other causes ... Malignancies • Chronic