9 results
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... Metabolic alkalosis ... failure (uremia) K ... of Metabolic Alkalosis ... Diagnosis #Summary #Nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... Alkalosis: Emesis ... acidosis: Proximal ... diagnosis #Algorithm #differential ... #potassium #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... the indicated causes ... of sodium and potassium ... #Metabolic #Alkalosis ... #differential #
Salicylate Toxicity - Diagnosis and Management

Consider if:
1) Patient is hot and altered
2) You see tachypnea with
no respiratory cause ... Diaphoresis, Pulmonary edema ... Alkalosis, High ... Lactate, Low Potassium ... 4.5 mmol/L 4) K
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
transfusion • HTN and edema ... infusions) - Metabolic ... acidosis - Hyperkalemia ... #diagnosis #causes ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
transfusion • HTN and edema ... infusions) - Metabolic ... acidosis - Hyperkalemia ... #diagnosis #causes ... #nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... Alkalosis: Differential ... chronic respiratory acidosis ... • Severe potassium ... #Alkalosis #Differential
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
only if no clear cause ... Elimination (see Table ... caution in HTN & edema ... Management #Treatment #potassium ... #nephrology #K
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
resistance • Metabolic ... alkalosis • Familial ... Kidney stones caused ... Excretion #Diuresis #Nephrology ... #Medications #Table