8 results
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
loss if renal function ... Hypomagnesemia #algorithm ... #differential # ... diagnosis #causes #nephrology ... #magnesium #low
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... /Normal Blood Pressure ... #differential # ... potassium #nephrology ... #low
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Secondary Amenorrhea - Differential ... Diagnosis Algorithm ... FSH, Low estrogen ... : • Functional ... (e.g. eating disorder
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
remember than the normal ... volume-based algorithm ... Cerebral Salt Wasting ... #Hyponatremia #differential ... table #sodium #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... Vomiting/nasogastric suction ... /low blood pressure ... Chloride #urine #Algorithm ... #nephrology #differential
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
urine Na/Cl > 1.6, low ... confirmed via genetic testing ... in most cases; interpretation ... hypokalemia #diagnosis #differential ... #algorithm #nephrology
Delayed Fracture Healing - Non-Union - Malunion - Differential Diagnosis Algorithm

Inflammation (Hours-Days) -> Soft Callus (Days-Weeks)
Non-Union - Malunion - Differential ... Diagnosis Algorithm ... deviations from normal ... axis Non Functional ... Misalignment before casting
Characteristic eye movements found in Downbeat Nystagmus

Downbeat nystagmus (downward fast phase) is the most common of
jerk nystagmus waveform ... follows Alexander's Law ... The differential ... for down-beating ... Ophthalmology #Neurology