15 results
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
Causes of Primary ... and Secondary Amenorrhea ... Differential Diagnosis Algorithm ... Amenorrhea - Absence ... #Causes #OBGyn
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
Causes of Secondary ... Amenorrhea - Differential ... Diagnosis Algorithm ... Absence of menses ... FSH, Low estrogen
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Amenorrhea - Differential ... Diagnosis Algorithm ... by age 16 with secondary ... Etiology - High FSH, Low ... Testes Syndrome • Absent
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Algorithm UOsm ... Primary polydipsia, Low ... #differential #algorithm ... #causes #nephrology
Causes of Secondary / Provoked Seizures - Differential Diagnosis Algorithm
Febrile
Infection
 • Sepsis
 • Encephalitis
 • Meningitis
Metabolic
Causes of Secondary ... Differential Diagnosis Algorithm ... Hypocalcemia • Hyponatremia ... Provoked #Seizures #Neurology ... #Causes
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... Differential Diagnosis Algorithm ... • Generalized: Absence ... Hyperglycemia, Hyponatremia ... #Causes #neurology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Diagnosis Algorithm ... Beer Potomania - Low ... thecurbsiders #Hyponatremia ... #causes #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Differential Diagnosis Algorithm ... mannitol, glucosuria Low ... #Nephrology #Differential ... #Causes
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis Algorithm ... Weakness, fatigue, nausea ... , hypotension, hyponatremia ... insufficiency • Low ... baseline ACTH - Secondary
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... hyperaldosteronism • HTN Absent ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #low #nephrology