52 results
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
Causes of Hypercalcemia ... hypocalciuric hypercalcemia ... Genetic disorders (e.g ... #Causes #Differential ... #Diagnosis #Endocrinology
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens ... prolonged PR and QT ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hyporeflexia: • Hypercalcemia ... polyneuropathy (e.g ... Guillain-Barré syndrome ... #differential #diagnosis ... #table #neurology
Causes of Hypercalcemia due to increased Vitamin D levels
 • The BIG 3:
Causes of Hypercalcemia ... Genetic: Williams syndrome ... #VitaminD #causes ... #differential #diagnosis ... #endocrinology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
- Differential Diagnosis ... Framework and Management ... Summary Causes ... Dermatomyositis Clinical ... #Management #causes
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential Diagnosis ... with previously stable ... 109 mm Hg) with clinical ... Vasculitis • Endocrinologic ... #Differential #Diagnosis
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
IV Mg infusion (e.g ... - Tumor lysis syndrome ... #Differential #Diagnosis ... High #Magnesium #Table ... #Causes #Management
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Liver Failure • Hypercalcemia ... Myasthenia Gravis Pharmacologic ... • Drug Abuse (e.g ... Chronic Fatigue Syndrome
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
carotid sinus syndrome ... further guide management ... and an initial ECG ... Further diagnostics ... should be guided by clinical
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
and Management ... Hyperkalemia is ... hypophysitis, Sheehan's syndrome ... Give 250 mcg of ... #Management #Endocrinology