9 results
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
Causes of Primary ... and Secondary Amenorrhea ... Primary Amenorrhea ... #Secondary #Amenorrhea ... #Causes #OBGyn
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Causes of Primary ... Amenorrhea - Differential ... Diagnosis Algorithm ... by age 16 with secondary ... Etiology - High FSH, Low
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Gl tract loss (Diarrhea ... secreting tumor, Primary ... #causes #potassium ... #low #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Osmotic diuresis (see ... mannitol, glucosuria Low ... loss • Watery Diarrhea ... Hypernatremia #Nephrology ... #Causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... Laxative use • Diarrhea ... mEq/g suggests urinary ... differential #potassium #nephrology ... #low
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Differential Diagnosis Algorithm ... R - Primary aldosteronism ... High Al, High R - Secondary ... Differential #Diagnosis #Algorithm ... #nephrology #causes
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis - Urinary ... Chloride Algorithm ... alkalosis • Normal/low ... the indicated causes ... #nephrology #differential
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... biliary fistula, Diarrhea ... or secondary aldosteronism ... differential #diagnosis #nephrology ... #magnesium #low
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Differential Diagnosis Algorithm ... an underlying cause ... some time, let’s see ... levels: realllly low ... causes: Many of