213 results
Multiple Endocrine Neoplasias (MEN syndromes) 

MEN I
• Hyperparathyroidism 
• Hypercalcemia 
• Possible ZE syndrome 
• Various
Neoplasias (MEN syndromes ... • Possible ZE syndrome ... • Cushing syndrome ... MultipleEndocrineNeoplasia #Differential ... #Endocrinology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Aldosterone: Liddle's Syndrome ... SAME, Cushing Syndrome ... diuretics, Bartter syndrome ... , Gitelman syndrom
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Hypomagnesemia - Differential ... Familial: Bartter syndrome ... and Gitelman syndrome ... with secondary, hypocalcemia ... diagnosis #causes #nephrology
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
- Differential ... disease, Milk Alkali Syndrome ... disease, Viral Syndromes ... #Differential # ... Algorithm #Workup #nephrology
Causes of Hypercalcemia
Parathyroid hormone–dependent
Primary hyperparathyroidism
Familial hypocalciuric hypercalcemia
Lithium-associated
Tertiary hyperparathyroidism
Genetic disorders (e.g., multiple endocrine neoplasia type 1 or
Other humoral syndromes ... disease - Williams syndrome ... intoxication, milk-alkali syndrome ... #Causes #Differential ... #Diagnosis #Endocrinology
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic Syndrome ... nephrotic/nephritic syndromes ... Nephritic #Nephrotic #Syndrome ... #Comparison #Algorithm ... #Nephrology #Diagnosis
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hyporeflexia: • Hypercalcemia ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... Testing #Causes #differential ... diagnosis #table #neurology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Diuretics, Bartter's syndrome ... , Gitelman's syndrome ... acid, Liddle's syndrome ... • Cushing's syndrome ... algorithm #causes #nephrology
Hypocalcemia - Diagnosis and Management
PTH Independent (↑ PTH)
 • LOW VIT D
    -
Hypocalcemia - Diagnosis ... Formation: Hungy Bone Syndrome ... - DiGeorge Syndrome ... Diagnosis #Management #endocrinology ... #differential #
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
- Hypokalemia ... renal Mg wasting syndromes ... - Gitelman syndrome ... - Hungry bones syndrome ... Hypomagnesemia #Differential