13 results
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
and Evaluation ... onset (acute vs. chronic ... symptoms (HA, nausea ... cardiac, liver, renal ... #Algorithm #Ddxof
Short Stature - Differential Diagnosis Algorithm
Normal Variant, Normal Puberty Onset (BA = CA)
 • Familial Short
Short Stature - Differential ... • Congenital Adrenal ... Celiac, IBD) • ... Diagnosis #Algorithm #endocrinology ... #causes #pediatrics
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
failure, acute or chronic ... hormone–related protein ... thyrotoxicosis, adrenal ... #Differential # ... Diagnosis #Endocrinology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
alcoholics) - Proton-pump ... GI losses - Chronic ... Hypomagnesemia #Differential ... Classification #Causes ... #Workup #hypomg
Weight Loss - Differential Diagnosis Algorithm
Decreased Intake:
 • GI illness (upper and lower)
 • Psychiatric (Depression,
Weight Loss - Differential ... Crohn's Disease, Celiac ... COPD) • Chronic ... • Adrenal Insufficiency ... Diagnosis #Algorithm #Causes
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential ... Approach (when evaluation ... Proven age of onset ... Vasculitis • Endocrinologic ... #causes #Differential
Causes of Failure to Thrive - Differential Diagnosis Algorithm
Adequate Calorie Consumption
 - Increased Losses:
Causes of Failure ... to Thrive - Differential ... Fibrosis) • Celiac ... Failure • Chronic ... Illness: • Chronic
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
secretion; in chronic ... as a result of chronic ... Insufficiency #Evaluation ... diagnosis #testing #endocrinology ... #workup
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
bone morphogenic protein ... multifactorial mechanisms Hematologic ... renal failure ... Classification #Diagnosis #Differential ... #Causes
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory Evaluation ... WBC count and differential ... the presence of renal ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup ... #Hematology