11 results
Spirometry - PFT Interpretation Algorithm

- BWH Medicine Chiefs @BrighamChiefs

#Spirometry #PFTs #Interpretation #Algorithm #diagnosis #differential #pulmonary #function
Spirometry - PFT ... Interpretation ... Algorithm - BWH ... #PFTs #Interpretation ... differential #pulmonary #function
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Differential Diagnosis Algorithm ... hyperaldosteronism • Low Urine ... Vomiting, NGT suction ... (late) • High Urine ... Differential #Diagnosis #Algorithm
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
(+)
Metabolic Alkalosis Urine ... Remote Diuretics - Loop ... Mineralocorticoid • Primary ... Recent Diuretics - Loop ... metabolic #alkalosis #algorithm
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis - Urinary ... Chloride Algorithm ... Remote use of loop ... Vomiting/nasogastric suction ... #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Differential Diagnosis Algorithm ... hyperaldosteronism • Low Urine ... Vomiting, NGT suction ... (late) • High Urine
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Approach to Thyroid Function ... high T4 +/- T3 → Primary ... Hyperthyroidism #algorithm ... endocrinology #TFTs #TSH #Interpretation
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Differential Diagnosis Algorithm ... - Urinary Chloride ... Remote use of loop ... Vomiting/nasogastric suction ... #causes #urinary
Pulmonary Function Test (PFT) Interpretation Algorithm

Approach to PFTs:
1) Look at Flow-Volume Loop if available
2) FEV1/FVC <
Pulmonary Function ... Test (PFT) Interpretation ... Algorithm Approach ... at Flow-Volume Loop ... #Algorithm #diagnosis
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
volume contracted: urine ... vomiting/ nasogastric suction ... • Thiazide or loop ... volume expanded: urine ... > 20 meq/L • Primary
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Differential Diagnosis Algorithm ... hyperaldosteronism • Low Urine ... Vomiting, NGT suction ... (late) • High Urine