23 results
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Urologic irrigants Hypotonic ... > 30): SIADH, Medications ... Beer potomania Isotonic ... Algorithm #diagnosis #sodium
Causes of Pediatric Constipation - Differential Diagnosis Algorithm
Dietary / Functional:
 • Insufficient Volume / Bulk
Neurologic:
 •
Constipation - Differential ... Cord Lesions • Myotonia ... #Constipation #Differential
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Hypernatremia - Differential ... water Extrarenal hypotonic ... Hypernatremia #Differential ... Causes #nephrology #sodium
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Muscular dystrophy, Myotonic ... Weakness #Causes #differential
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Physiologic Approach to Hypotonic ... have a case of hypotonic ... : SIADH, Renal Sodium ... #Hyponatremia #differential ... diagnosis #table #sodium
Drugs causing hyperkalemia
 • Impaired release of renin: NSAIDs, Beta blockers, Cyclosporine, tacrolimus, Diabetes, Elderly
 •
Ketoconazole • Sodium ... #hyperkalemia #medications ... #causes #differential
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
of Seizures - Differential ... Generalized: Absence, Myoclonic ... Toxic: Alcohol, Medication ... Prophyria #Seizures #Differential
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
(Heparin) • Sodium-channel ... #hyperkalemia #differential ... pharmacology #potassium #medications
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
Medications that ... What medications ... products • HIV medication ... Motrin) • Naproxen sodium ... #drug #tests #differential
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
Common sodium channel ... #Pharmacology #Medications ... Toxicology #Diagnosis #Differential