19 results
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
transporter Bartter syndrome ... limb Gitelman syndrome ... tubule Liddle syndrome ... deficiency Nephrogenic syndrome ... #Table
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
• Euvolemic (Low ... Hypervolemic: Conn syndrome ... , Cushing syndrome ... Workup #Algorithm #nephrology ... #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
can be high or low ... Cirrhosis, Nephrotic syndrome ... #Hyponatremia #differential ... #diagnosis #table ... #sodium #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... cirrhosis, nephrotic syndrome ... Stress, Nausea, Pulmonary ... Algorithm #diagnosis #nephrology ... #sodium
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... - Cirrhosis Syndrome ... hemorrhage) - Pulmonary ... #Diagnosis #Table ... #Causes #Sodium
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
PARKINSON WHITE SYNDROME ... SEROTONINERGIC DRUGS • SODIUM ... PHAEOCHROMOCYTOMA • PULMONARY ... Palpitations #Causes #Differential ... #Diagnosis #Cardiology
Causes of Myocarditis 
1. Infectious Myocarditis
 • Bacterial - Staphylococcus, Streptococcus, Pneumococcus, Meningococcus, Gonococcus, Salmonella, Corynebacterium
granulosus, Taenia solium ... Churg-Strauss syndrome ... phosphorus, arsenic, sodium ... Myocarditis #Causes #differential ... #diagnosis #cardiology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
unilateral; • Slow ... Holmes-Adie Syndrome ... Young females Differential ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... diuretic use, Bartter syndrome ... , Gitelman syndrome ... urine #Algorithm #nephrology ... #differential #
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
interval J Wave Syndromes ... involved • Brugada Syndrome ... QRS complex Pulmonary ... Wolff-Parkinson-White syndrome ... #diagnosis #cardiology