43 results
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 ... #respiratory #pulmonary
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 ... Classically” noted with pulmonary ... bloodgas #Acid #Base
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
Interpretation and Acid-Base ... Look at the pCO2 ... Metabolic Equal (If pCO2 ... the change in pCO2 ... Amy Chung, MD, MSc
#ICUCard
RENAL
GFR
90-131
mL/min
((140-age)*Wt)/(72*Cr)
Glomerular Filtration Rate (Cockcroft)
CI Cr
90-131
mL/min
(CrU * volume)/CrS
Creatinine Clearance
FENa
0.0-1.0
%
((U/P Na)/(U/P Cr))*100
Fractional Excretion of Na+
Na req
mEq
(125-Na)*0.6*Wt
Required Sodium
FE Urea
Osmolar Gap ACID-BASE ... pCO2 = 1.5 (HCO3 ... )/HCO3 Acid base ... 100% mask A-a ... < 50 mmHg Pa02
Oxygen Delivery Systems
Nasal Cannula:
 • Flow: 1 - 6 L/min
 • FiO2: 25 - 40% (-4%/L
of flow) Face Mask ... ~40% Venturi Mask ... 2 - 15 L/min (based ... devices #management #pulmonary
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... Pneumonia on Lung POCUS ... POCUS lung exam ... /lung sliding: Pulmonary ... Lung POCUS shows
Acute Pulmonary Embolism on POCUS Echocardiogram before and after TPA
POCUS Echocardiogram in suspected hypoxic COVID patient
Acute Pulmonary ... Embolism on POCUS ... and after TPA POCUS ... pushed at bedside based ... NagdevArun #Acute #Pulmonary
Empyema Necessitans (EN) on Chest POCUS

Pulmonary teaching case: you are called to the bedside of a
(EN) on Chest POCUS ... Pulmonary teaching ... case: you are called ... chest drain on POCUS ... #pulmonary #respiratory
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
, worse at the bases ... Lymphangioleiomyomatosis (LAM), • Pulmonary ... leaking out of pulmonary ... Amy Chung, MD, MSc
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
Catheterization - Pulmonary ... and Calculations PULMONARY ... are identified based ... using nomogram-based ... Ahmed Ghoneem, MD MSc