27 results
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
• Salicylates Metabolic ... D - Diarrhea/diuretics ... or Cushing’s) Metabolic ... nickmmark #acidbase #workup ... #algorithm #diagnosis
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential Algorithm ... Diuretics (discontinued ... Metabolic alkalosis ... #Differential #Algorithm ... Diagnosis #Causes #Workup
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis ... Differential Diagnosis Algorithm ... loop or thiazide diuretics ... pressure: Active diuretic ... Differential #Diagnosis #Algorithm
Causes of Approach to Altered Level of Consciousness - Workup
Clinical Exam - Focal
 • Trauma
 •
Consciousness - Workup ... Refer to Blood Work ... Sections Bloodwork - Metabolic ... Bloodwork - No Metabolic ... #algorithm #Causes
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... • Hypovolemic: Diuretics ... osmotic (solute) diuresis ... #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Differential Diagnosis Algorithm ... Low Cl intake, Diuretics ... High Urine Cl-: Diuretics ... aldosteronism #Metabolic
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Differential Diagnosis Algorithm ... Low Cl intake, Diuretics ... High Urine Cl-: Diuretics ... syndrome #Primary #Metabolic
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
Urine chloride < 20 mmol/l - Chloride responsive (Chloride
Causes of Metabolic ... Differential Diagnosis Algorithm ... fibrosis • Remote diuretic ... resistant: • Current diuretic ... ThePeanutKidney #Metabolic
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
(+)
Gas) (-) Likely Metabolic ... Adenoma • Remote Diuretics ... Hyperaldosteronism • Recent Diuretics ... Bicarbonate #Elevated #metabolic ... #alkalosis #algorithm
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Differential Diagnosis Algorithm ... Renal losses, Diuretic ... tubal acidosis and metabolic ... Ketonuria, Osmotic diuresis ... Differential #Diagnosis #Algorithm