8 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Renal Loses - Medications ... - Uncontrolled diabetes ... #Diagnosis #Low ... #Magnesium #Table ... Classification #Causes
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
disequilibrium syndrome • Diagnosis ... Inhibitors of Na+K+ ... Kidney stones caused ... #Pharmacology #Medications ... #Table
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Etiology: • Medications ... , K-sparing diuretics ... only if no clear cause ... Elimination (see Table ... acidosis) • Low
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... sparing diuretics ... (Uncontrolled diabetes ... Medications 2. ... #diagnosis #causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... sparing diuretics ... (Uncontrolled diabetes ... Medications 2. ... #diagnosis #causes
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... algorithm Urine Na+K ... can be high or low ... #Hyponatremia #differential ... #diagnosis #table
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic ... urine Na/Cl > 1.6, low ... Tubulopathy: urine K/ ... Other medications ... #differential #
Causes of Constipation in Adults
Most common
 - Inadequate fiber or fluid intake
 - Poor bowel habits
Systemic
hyperparathyroidism, diabetes ... autonomic neuropathy Medications ... - Opioids - Diuretics ... #Differential # ... Diagnosis