26 results
Spirometry - PFT Interpretation Algorithm

- BWH Medicine Chiefs @BrighamChiefs

#Spirometry #PFTs #Interpretation #Algorithm #diagnosis #differential #pulmonary #function
Spirometry - PFT ... BrighamChiefs #Spirometry ... #PFTs #Interpretation ... differential #pulmonary #function ... #testing
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
comparison, a normal ... #Diagnosis #PFTs ... #Spirometry #FlowVolume ... Patterns #Comparison #Normal
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Normal B. ... #Diagnosis #PFTs ... #Spirometry #FlowVolume
Pulmonary Function Testing: Flow Volume Loop Patterns
 • Variable extra-thoracic obstruction - truncated or flattened inspiratory
Pulmonary Function ... Testing: Flow Volume ... nickmmark #FlowVolume ... Loops #pulmonary #PFTs
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Axis Response to ACTH ... unclear (often the case ... then go to stim testing ... this indicates normal ... adrenal function
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Weakness, fatigue, nausea ... , hypoglycemia Testing ... High baseline ACTH ... insufficiency • Low or normal ... baseline ACTH -
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
Insufficiency: • ACTH ... test - Synthetic ACTH ... aldosterone - Low in cases ... aldosterone - Often normal ... laboratory #diagnosis #testing
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... initial response to abnormal ... decision for repeat testing ... *Abnormal USS may ... #LFTs #Abnormal
Diabetic Ketoacidosis (DKA) - Pathogenesis and Clinical Findings
 • Note: in DKA, body K+ is lost
out of cells may cause ... to be falsely normal ... has good renal function ... Treating DKA: 1) ... tachycardia, Incr resting
First Generation Anti-Psychotics: Mechanisms and Side Effects
Typical/Conventional Anti-Psychotics - Examples: Haloperidol, Chlorpromazine

ACh M1 antagonist - Block
Chlorpromazine ACh ... Block action of ACh ... Tardive Dyskinesia - Abnormal ... , and/or limbs caused ... postural instability, resting