Tweet

@POCUS_Society

This Thread may be Removed Anytime!

Twitter may remove this content at anytime! Save it as PDF for later use!

More from @MegriMohammed

Mohammed Megri. MD

@MegriMohammed

May 31

🤯🤯 The plan was written (stop Lasix for 2 days and then re-evaluate) their rational is the patient is clinically dry and his creatinine is up?!!!!!!!!😓 these images was taken while Pt on Debutamin

Read 10 tweets

Mohammed Megri. MD

@MegriMohammed

Jul 24, 2021

https://twitter.com/MegriMohammed/status/1418422332306116609

Thank you for your response. As you can see, it's spread out almost equally.

Heart-lung interaction is critically important to understand;

The heart & lungs occupying the thoracic cavity, therefore, Pr changes inside the thoracic cavity can affect the venous return (Vr)

https://twitter.com/MegriMohammed/status/1418422332306116609

Transmular pressure is the pressure difference between the inside & the outside of the cavity i.e the RA transmural pressure = RA-Ppl(We are assuming the pericardium is normal)

Then venous return depends on volume, pleural pr (Ppl), RA pr, transmural pr, elasticity & compliance

During spontaneous breathing 😮‍💨 Ppl always negative, but during inspiration it is more negative than expiration. Due to the increase in the thoracic cavity size

The Pr changes can affect the Vr and the effect will be more pronounced if the Pt is dry & fluid responsiveness

Read 10 tweets

Mohammed Megri. MD

@MegriMohammed

Nov 25, 2020

Fluid assessment:

• Pt in shock

1-how narrow is the Pt therapeutic index
2-will fluid administration be harmful
3-will I help the Pt by giving fluid

1-How narrow is the Pt therapeutic index🤔

Obtain good History.
Use the POCUS to evaluate which type of frank-starling curve your patient have?

A-Normal cardiac function and contractility
B-Mild impairment
C-Significant impairment

Type A

Read 8 tweets

Mohammed Megri. MD

@MegriMohammed

Sep 14, 2020

This thread for people who are interested in CRRT and critical care 😓🤦🏽‍♂️

Basics about RRT;
Convection: It depends on Hydrostatic pressure (HP)

Diffusion: it depends on solutes gradients

Filtration (Convection): blood from the Pt goes through the filter, In the filter with the effect of HP plasma, small, and medium size molecules get filtered by the HP effect, then the blood goes back to the patient and the filtered fluid and molecules goes to the effluent bag

Read 26 tweets

Mohammed Megri. MD

@MegriMohammed

Aug 5, 2020

What’s the main mechanism behind hypoxia in pulmonary embolism?

@ParijatSen11

As @ParijatSen11 Redistribution of the blood flow secondary to pulmonary embolism increases in flow to areas with normal ventilation which leads to hypoxia

The reduction in the flow where the PE is leads to high ventilation to perfusion mismatch, however, this is not the cause of hypoxia

Read 17 tweets

Share this page!

Mohammed Megri. MD

People who liked this thread also liked...

Try unrolling a thread yourself!

More from @MegriMohammed

Mohammed Megri. MD

Mohammed Megri. MD

Mohammed Megri. MD

Mohammed Megri. MD

Mohammed Megri. MD

Did Thread Reader help you today?

Don't want to be a Premium member but still want to support us?