20 results
Hormones Acting on the Nephron - Diuretics and Their Site of Action
 1) Acetazolamide
 2) Osmotic
Hormones Acting ... Their Site of Action ... HCTZ) 5) Potassium-sparing ... spironolactone) #Pathophysiology ... #Nephrology #Nephron
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
loop or thiazide diuretics ... blood pressure: Active ... diuretic use, Bartter ... the indicated causes ... of sodium and potassium
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... Vomiting, NGT suction ... Low Cl intake, Diuretics ... High Urine Cl-: Diuretics ... #Causes
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Transcellular Shift: • Alkalosis ... GI losses (NG suction ... • Discontinued diuretic ... Diagnosis #Algorithm #nephrology ... #low #potassium
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... vomiting/ nasogastric suction ... other • Severe potassium ... Differential #Diagnosis #Causes ... #nephrology
Blood gas analysis
Metabolic alkalosis
Measured urine CI
< 10 mEq/L
Saline responsive
> 10 mEg/L
Not saline responsive
- Vomiting or NG
analysis Metabolic alkalosis ... Vomiting or NG suction ... Endocrine cause ... H+ loss Renal cause ... Gitelman syndrome - Potassium
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... Transcellular Shifts: - Alkalosis ... , nasogastric suction ... #Hypokalemia #Causes ... differential #diagnosis #nephrology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
- Metabolic alkalosis ... RENAL LOSS: - Diuresis ... metabolic alkalosis ... Diagnosis #Algorithm #Pathophysiology ... #Nephrology #Chloride
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
↑ ↑ Metabolic alkalosis ... Acetazolamide Causes ... Volume depletion (diuresis ... - Salicylates Causes ... Diagnosis #Summary #Nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... wasting from other causes ... - Metabolic Alkalosis ... : Emesis, Diuretics ... #nephrology #low