13 results
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Epiglottitis • Vocal cord ... pneumonia • Water: pulmonary ... pneumothorax, COPD ... 12 / shallow breathing ... #Diagnosis #Management
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
Respiratory Acidosis ... obstruction • COPD ... alkalosis drive • Hypoxemia ... workup #algorithm #diagnosis ... #bloodgas #interpretation
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
- Differential Diagnosis ... , pain, fever, hypoxia ... Classically” noted with pulmonary ... lung disease (COPD ... #Diagnosis #Summary
Comparison of Pathologic Breathing Patterns
Biot's respiration aka ataxic respiration:
 - Periodic breathing: hyperpnea (or normopnea) and
: - Metabolic acidosis ... Lactic acid/Lactic acidosis ... Apnea - Sleep/Hypoxemia ... #Patterns #Respiratory ... #pulmonary #diagnosis
COPD Physical Exam Likelihood Ratios
Barrel Chest - LR 1.5
Pursed Lip Breathing - LR 2.7
Reduced breath sounds
COPD Physical Exam ... 1.5 Pursed Lip Breathing ... SatyaPatelMD #COPD ... LikelihoodRatios #LRs #diagnosis ... #pulmonary
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
- Differential Diagnosis ... • Tachypnea: Respiratory ... 20/min, shallow breathing ... > 20/min, deep breathing ... • Asthma • COPD
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Asthma vs COPD Presentation ... between attacks COPD ... Subxiphoid PMI • COPD ... EricsMedicalLectures/ #Asthma #COPD ... #pulmonary
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
and metabolic acidosis ... consider infarction, hypoxia ... bronchitis, and COPD ... #Pulmonary #Abnormalities ... #Abnormal #Diagnosis
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Causes of Pulmonary ... Algorithm Pulmonary ... Disease and/or Hypoxemia ... : • COPD • Interstitial ... Sleep-Disordered Breathing
Hypophosphatemia and Hypoxia - Pathophysiology

↓ Phosphate leads to ↓ red cell 2,3-DPG and a  reduction
Hypophosphatemia and Hypoxia ... acidosis. ... phosphorus is seen in COPD ... patients with COPD ... #pulmonary