114 results
Action potential in cardiomyocytes
The action potential in typical cardiomyocytes is composed of 5 phases (0-4), beginning
Depolarization Phase 1: ... ActionPotential #Myocytes
Focus Assessed Transthoracic Echo (FATE) - Basic FATE views

Pos 1: Subcostal 4-chamber

Pos 2: Apical 4-chamber

Pos 3:
Focus Assessed Transthoracic ... FATE views Pos 1: ... Echocardiogram #POCUS
D-Sign on Ultrasound
Right Ventricular Pressure vs Volume Overload
Eccentricity Index (EI) = D2/D1
RV Overload “D Sign” EI
“D Sign” EI > 1 ... - POCUS 101 @Pocus101 ... diagnosis #cardiology #pocus
The hematopoietic tree and the resulting leukemias and lymphomas 
The hematopoietic tree refers to the hierarchical
granulocytes and monocytes ... Lymphomas #BloodCells #BoneMarrow
Intubation Confirmation on POCUS

See the round, shadowing structures?
1. ET Tube in Trachea
2. NG Tube in Esophagus

-
Confirmation on POCUS ... 1. ... #Confirmation #POCUS
Stroke Volume & Cardiac Output Measurement on POCUS
Accurately measure LVOT diameter:
1. Obtain PLAX 
2. Zoom to
Measurement on POCUS ... LVOT diameter: 1. ... Calculate VTI: 1. ... #Measurement #POCUS
Fever - Pyrogen Pathophysiology

EXOGENOUS PYROGEN
 • Bacteria: Lipopolysaccharide components, peptidoglycans and muramyl peptide derivatives, Toxins
 •
(neutrophils, monocytes ... pyrogen) TNF, IL-1,
POCUS - Measuring Cardiac Output
1) Calculate LVOT Area
2) Calculate LVOT VTI
3) Calculate Cardiac Output

SV = (LVOT
POCUS - Measuring ... Cardiac Output 1) ... x HR (bpm) - POCUS ... Cardiac #Output #CO #POCUS
Focused POCUS Lung and Cardiac Ultrasound Exams in COVID-19 Patients
1. Turn machine on / Enter patient
Focused POCUS Lung ... COVID-19 Patients 1. ... left lung (FIGURE 1) ... #Focused #POCUS
Wall Motion Abnormalities!

1. Hypokinesis = ↓ Squeeze
2. Akinesis = No Squeeze
3. Dyskinesis = Outward Bulging

Sam Ghali,
1. ... Hypokinesis #PSAX #POCUS