52 results
Causes of Primary and Secondary Amenorrhea - Differential Diagnosis Algorithm
Primary Amenorrhea - No onset of menarche
Causes of Primary ... Secondary Amenorrhea - Differential ... Diagnosis Algorithm ... Secondary #Amenorrhea #Differential ... #Diagnosis #Algorithm
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
High Renin - Primary ... deficiency - Heparin/ LMW ... Ketoconazole Low ... #Hyperkalemia #Algorithm ... #diagnosis #differential
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... Liddle syndrome #Primary ... #Diagnosis #Algorithm
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... secreting tumor, Primary ... #Hypokalemia #Differential ... #Diagnosis #Algorithm
Causes of Headache - Differential Diagnosis Algorithm
Primary: Tension, Migraine, Cluster
Extracranial: Medications, Sinusitis, TMJ disorder, Cervicogenic, Glaucoma,
of Headache - Differential ... Diagnosis Algorithm ... Primary: Tension ... Toxoplasmosis Tumor: Primary ... Pseudotumor Cerebri, Low
Causes of Primary Headaches - Differential Diagnosis Algorithm
Unilateral
 • Migraine (Throbbing/Pulsating)
Bilateral
 • Tension/Stress Headache (Tightening, Band-Like,
Headaches - Differential ... Diagnosis Algorithm ... Sharp, Autonomic Dysfunction ... Headaches #Neurology #Differential ... #Diagnosis #Algorithm
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... Metabolic #Alkalosis #Differential ... #Diagnosis #Algorithm
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
Insufficiency - Differential ... Diagnosis Algorithm ... : • Pituitary Dysfunction ... • Hypothalamic Dysfunction ... ACTH-Independent (Primary
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary ... renal tubular dysfunction ... Hypomagnesemia #Differential ... #Diagnosis #Low ... Magnesium #Table #Classification
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Diagnosis Algorithm ... or normal): • Primary ... Hypercalcemia Low ... #Diagnosis #Algorithm