19 results
Primary Amenorrhea Differential Diagnosis Framework

Workup:
 • β-HCG, TSH and PRL
 • Breast Tanner Staging
 • FSH,
Primary Amenorrhea ... Differential Diagnosis ... β-HCG, TSH and PRL ... #pediatrics #obgyn ... #gynecology #algorithm
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... /CRF Hormonal changes ... suppression • Primary ... #Nephrology #Differential ... #Diagnosis #Algorithm
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... /CRF Hormonal changes ... suppression • Primary ... #Nephrology #Differential ... #Diagnosis #Algorithm
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Algorithm UOsm ... Vasopressin-independent - Consider: Primary ... #algorithm #causes ... #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Diagnosis Algorithm ... treat underlying cause ... Solute Intake - Primary ... #Algorithm #diagnosis ... #nephrology #sodium
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... Algorithm Unprovoked ... Hyperglycemia, Hyponatremia ... #Algorithm #Causes ... #neurology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... - Differential Diagnosis ... Algorithm Volume ... #Algorithm #Nephrology ... #Causes
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential Diagnosis ... Algorithm Hypertensive ... High Al, Low R - Primary ... #Algorithm #nephrology ... #causes #low #potassium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... water intake (Primary ... #differential #diagnosis ... table #sodium #nephrology
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
- Urine Na/K/Cl ... rhabdo/TLS) Causes ... pre-renal) - Urinary ... AcuteKidneyInjury #AKI #Nephrology ... #Diagnosis #Algorithm