193 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
O2 is inspired) PAO2 ... hypoxia) - Low PaO2 ... Low SvO2 → Low PaO2 ... Nick Mark MD @nickmmark ... differential #diagnosis #causes
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Acid-Base Disorders ... Differential Diagnosis Algorithm ... Respiratory Acidosis (pCO2 ... Differential #Diagnosis #Algorithm ... #Causes #Compensation
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
Acid Base and Blood ... 2. pCO2 - What’s ... the pCO2? ... metabolic acidosis Nick ... acidbase #workup #algorithm
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 #Base
Carotid Artery Thrombosis on POCUS

Really unfortunate case of a carotid artery thrombosis. Young patient who presented
Thrombosis on POCUS ... Really unfortunate case ... Artery #Thrombosis #POCUS ... clinical #ultrasound #Neck
Platypnea-Orthodeoxia Syndrome on Physical Exam
The case of a patient with a diagnosis of cirrhosis and platypnea-orthodeoxia
Physical Exam The case ... there is a drop in SaO2 ... to 90% (and in paO2
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Head and Neck Skin ... Differential Diagnosis Algorithm ... Radiation #Head #Neck ... Differential #Diagnosis #Algorithm ... #causes
Internal Jugular Vein Rouleaux Flow on POCUS

Amazing video of a dilated IJV showing Rouleaux flow. Whenever
Rouleaux Flow on POCUS ... significantly, it causes ... echogenic as in this case ... for underlying cause ... Jugular #IJ #Vein #POCUS
Basic algorithm for diagnosis and management of hoarseness

Image Source: Peng  KA , Kim I,
Basic algorithm ... Surgery: A case ... based clinical review ... www.amazon.com/Surgery-Case
Suggested diagnostic algorithm for neonate with suspected esophageal atresia +/- tracheoesophageal fistula.

Image Source: De Virgilio, C.,
Suggested diagnostic algorithm ... Surgery: A case ... based clinical review