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The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
to Hyperkalemia ... - Renal transplant ... - SLE High Renin ... Diabetes mellitus - Acute ... #differential #
Types of Renal Calculi

Calcium oxalate
 - Interstitial apatite plaque, Low urine volume, Increased urinary calcium excretion,
Types of Renal Calculi ... recessive genetic disease ... Mycoplasma infections, High ... stones #differential ... #diagnosis #causes
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
non-invasive - High ... obstruction - Able ... abdominal pain: diagnoses ... retroperitoneal disease ... #Radiology #Diagnosis
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
• Inflammatory disease ... Urinary calculi ... /phimosis #Diagnosis ... Postrenal #Failure #Differential ... #Nephrology
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
syndrome - Acute ... chronic kidney disease ... Glucocorticoid deficit - Hypokalemia ... Drugs - SIADH Renal ... #Diagnosis #Table
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Pseudohyperparathyroidism, Renal ... failure, Addison's disease ... #Causes #differential ... #diagnosis #calcium ... #high #endocrinology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
failure (acute ... progressive kidney disease ... Metabolic #Acidosis #differential ... #diagnosis #causes ... #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Hyponatremia - Differential ... Diagnosis Algorithm ... UNa > 20: • Acute ... failure Hypervolemia ... #Causes #nephrology
Pediatric Causes of Abdominal Pain

Surgical:
 - Acute appendicitis 
 - Intestinal obstruction including intussusception 
 -
hydronephrosis • renal ... calculus - Henoch—Schönlein ... - Sickle cell disease ... Pediatrics #Causes #Differential ... #Diagnosis #Peds
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
Acquired - Primary renal ... causes (e.g., hypokalemia ... , hypercalcemia) ... Classification #Types #Nephrology ... #Diagnosis #Differential