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

Hypervolemic hypernatremia 
 - CHF
syndrome - Acute ... deficit - Salt-losing ... Vomiting - Diarrhea ... Differential #Diagnosis #Table ... #Causes
Causes of Acute Infectious Diarrhea
Noninflammatory Diarrhea
Viral - Noroviruses, astrovirus, adenovirus, Rotavirus, sapovirus
Protozoal - Giardia lamblia, Cryptosporidium,
Causes of Acute ... Infectious Diarrhea ... Noninflammatory Diarrhea ... #Causes #Acute ... differential #diagnosis #table
Muscarinic Receptor Agonists and Antagonists 
Muscarinic Receptor Agonists
Methacholine
 • Diagnosis of bronchial airway
Carbachol
 • Glaucorna (topical
Muscarinic Receptor Agonists ... Muscarinic Receptor Agonists ... Atropine • Acute ... hyoscyamine • Diarrhea-predominant ... #Pharmacology #Table
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Evaluation of Chronic Diarrhea ... Causes of acute ... diarrhea 2. ... ) #Chronic #Diarrhea ... #management #algorithm
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... deficiency, Salt-losing ... losses, Vomiting, Diarrhea ... UNa > 20: • Acute ... Diagnosis #Algorithm #Causes
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
irrigation • Management ... Torsemide) • Acute ... Kidney stones caused ... hyperaldosteronism • Acute ... #Medications #Table
Drugs Useful in the Treatment and Prophylaxis of Migraine Headaches
Several classes of drugs are effective in
Headaches Several classes ... are serotonin agonists ... effective when given during ... #Prophylaxis #management
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... , ß-Adrenergic agonists ... nasogastric suction, Diarrhea ... Hypomagnesemia, Acute ... #Hypokalemia #Causes