18 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
- Differential Diagnosis ... Hypokalemic periodic paralysis ... GI losses (NG suction ... vomiting) • Low ... #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
- Differential Diagnosis ... Algorithm Volume ... Vomiting, NGT suction ... #Algorithm #Nephrology ... #Causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
arrhythmias and paralysis ... from other causes ... #Hypokalemia #diagnosis ... #potassium #nephrology ... #low
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
- Differential Diagnosis ... Algorithm Cause ... Decreased Intake: • Low ... transport, renal function ... #Nephrology #Chloride
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Algorithm - Evaluation ... unclear (often the case ... then go to stim testing ... normal adrenal function ... primary AI - Low
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Algorithm GI Losses ... Vomiting • NG suction ... MetabolicAlkalosis #NonGap #Nephrology ... #Algorithm #Causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
- Differential Diagnosis ... Algorithm Decreased ... Vomiting • NG suction ... #Hypokalemia #Nephrology ... #Algorithm #Causes
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
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
- Differential Diagnosis ... Algorithm No onset ... Etiology - High FSH, Low ... Hypothalamic: • Functional ... #Algorithm #Causes
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... - Differential Diagnosis ... Algorithm Absence ... : • Functional ... #Algorithm #Causes