51 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.
ABG And BMP Normal ... 7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... 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
Paradoxical Respirations in Diaphragmatic Paralysis

Note the paradoxical movement of the abdomen during inspiration. The accessory inspiratory
the paradoxical movement ... This change causes ... Clinical #Video #PhysicalExam
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Test downward eye movement ... Rapid downward movement ... Slow downward movement ... Casey Albin MD @ ... caseyalbin #PhysicalExam
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
lung disease Caused ... • Orthopnea - PaO2 ... Arterial blood gas (ABC ... Oxygenation defect - PaO2 ... transplant - Lizzie Aby
Asterixis is a type of negative myoclonus characterized by irregular lapses of posture of various body
characterized by irregular lapses ... encephalopathy) and CO2 ... hyperammonemia #PhysicalExam
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
abnormal extraocular movements ... dissociation • Other causes ... #Adies #Pupil #PhysicalExam
Tardive Dyskinesia on Physical Exam

Involuntary orofacial movements usually caused by chronic use of neuroleptic agents.

#Tardive #Dyskinesia
Involuntary orofacial movements ... usually caused ... Tardive #Dyskinesia #PhysicalExam
Oxygen Delivery by Device

Nasal Cannula 
• Indicated for low-flow, low-percentage supplemental oxygen. 
• Flow rate of
permit exhaled CO2 ... use of reservoir bag ... retention of exhaled gases ... • Uses either