67 results
ABG vs VBG: Arterial vs Venous Blood Gases

ABG
PROS: Tells you exactly what the arterial environment looks
ABG vs VBG: Arterial ... vs Venous Blood Gases ... looks like (pH, PaCO2 ... serial exams #ABG ... Comparison #pH #pCO2
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Acid-Base Disorders ... HCO3 < 24mmol/L) CO2 ... Respiratory Acidosis (pCO2 ... Respiratory Alkalosis (pCO2 ... Diagnosis #Algorithm #Causes
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... 7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... #bloodgas #Acid
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid ... Do you need an ABG ... Generally, for acid ... and ~5 mmHg to pCO2 ... final step is to assess
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
Blood Gas (ABG) ... Interpretation and Acid-Base ... Look at the pCO2 ... the change in pCO2 ... AmyChung #AcidBase #ABG
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
type of hypoxia) PIO2 ... O2 is inspired) PAO2 ... blood (measured on ABG ... Low SvO2 → Low PaO2 ... differential #diagnosis #causes
Liver Abscess on POCUS
24yo healthy F to ED w/rigors &DCed. 2/2 blood cx + for fusobacterium,
Liver Abscess on ... POCUS 24yo healthy ... this 2x2cm liver abscess ... Discharged on 3 weeks abx ... #Hepatic #POCUS
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... antibiotics as a cause ... Fusobacteria - Acid-Fast ... Culture #Negative #Abscess
Liver Abscess
•	Pyogenic abscess, accounts for 80% of abscess.
•	Amebic abscess due to Entamoeba histolytica, accounts for 10%.
•	Fungal
Liver Abscess • ... Pyogenic abscess ... • Amebic abscess ... the bacterial cases ... 48-72 hours of ABX
Secondary Bacterial Peritonitis (SBP) on Abdominal POCUS

Cirrhosis with fever/abd pain-?SBP. POCUS for win.  Secondary bacterial
) on Abdominal POCUS ... Cirrhosis with fever/abd ... POCUS for win. ... Diverticular abscess ... SBP #Abdominal #POCUS