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 - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... Acetazolamide Causes ... Summary #Nephrology #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
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
the Anion Gap (AG ... Do you need an ABG ... approximates an ABG ... and ~5 mmHg to pCO2 ... final step is to assess
Causes of Pelvic Mass - Differential Diagnosis Algorithm
Gastrointestinal:
 • Appendiceal abscess
 • Diverticular abscess
 • Diverticulosis
Causes of Pelvic ... • Appendiceal abscess ... • Diverticular abscess ... cancer • Pelvic kidney ... Diagnosis #Algorithm #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
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
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Approach to Acute Kidney ... HISTORY/PHYSICAL Assess ... are caused by prerenal ... CONSIDER INTRINSIC CAUSES ... Assess UA w/ microscopy
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
Point-of-care Ultrasound for Diagnosis of Abscess in Skin and Soft Tissue Infections

1. POCUS is more accurate
POCUS is more accurate ... cellulitis in cases ... where abscess is ... POCUS has a negative ... #POCUS #Accuracy