13 results
Hyperparathyroidism classification
Different causes and features of hyperparathyroidism - raised parathormone (PTH).

#Diagnosis #Hyperparathyroidism #Differential #Primary #Secondary #Tertiary
Different causes ... #Differential #Primary ... #Secondary #Tertiary ... #Comparison #Table ... #Classification
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Adrenal Insufficiency ... Diagnosis Algorithm ... unclear (often the case ... then go to stim testing ... #Diagnosis #Algorithm
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis Algorithm ... Weakness, fatigue, nausea ... , hypoglycemia Testing ... baseline ACTH - Primary ... baseline ACTH - Secondary
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
Causes of Adrenal ... Insufficiency - ... ACTH-Dependent (Secondary ... ACTH-Independent (Primary ... #Causes #endocrinology
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... and Screening Testing ... Common causes: ... agent Uncommon causes ... Differential #Diagnosis #Causes
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Ureterosigmoidostomy Urinary ... type 4) - Salt wasting ... Low #Potassium #Table ... #Classification ... #Causes
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Cerebral salt wasting ... Hypothyroidism - Adrenal insufficiency ... renal failure - Primary ... Differential #Diagnosis #Table ... #Causes #Sodium
Causes of Primary Amenorrhea - Differential Diagnosis Algorithm
No onset of menarche by age 16 with secondary
Causes of Primary ... Differential Diagnosis Algorithm ... by age 16 with secondary ... age 14 without secondary ... #Causes #OBGyn
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary ... Familial renal Mg wasting ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
Primary Adrenal ... aldosterone - Low in cases ... autoimmune-mediated primary ... antibody test Secondary ... laboratory #diagnosis #testing