Yash Profile picture
Feb 5, 2023 6 tweets 4 min read Read on X
Juxta-articular (near joint articulations) punched out erosions on the metatarsals is indicative of GOUT | (Gout = mostly toes)

1/6

#MedTwitter #RheumTwitter #neurotwitter #usmle
Psuedogout presents with chondrocalcinosis (calcification of cartilages) | (psuedogout = mostly knees)

2/6
Chronic neuropathic (charcot) arthropathy presents in those with chronic diabetes and peripheral neuropathy.

Common signs on xray are :

1. Hour glass phalanges
2. Sucked candy apperance
3. Subluxation of several foot joints.

3/6
Presentation includes inflammatory changes (edema,warmth)

🔺Acute stage -> only inflammatory changes and no xray changes.
🔺Subacute stage -> both inflammatory and xray changes positive.

4/6
The first line management for acute and subacute neuropathic arthropathy is with “Leg casting to reduce weight bearing”

Nsaids + steroids help for inflammation but the “long-term goal is to prevent further microtraumas and bone resorption.

5/6

researchgate.net/publication/25…
Chronic neuropathic arthropathy (marked by hypertrophic repair and reduced inflammation) is not managed by casting leg , instead it is treated with :

“Foot orthotics, Surgery and Infection prevention/treatment.”

6/6

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More from @DoctorBhavsar

Apr 22
Numbers you need to remember for diagnosing pulmonary artery hypertension (PAH) 🧵

• mPAP > 25 mm Hg
• PCWP/PAOP < 15 mm Hg
• TPG > 12 mm Hg
• TRV > 3.0 m/sec
• TAPSE < 16 mm
• Woods unit > 3 (mPAP - PCWP/CO)
• CT angio chest : PA size > 29 mm

#Cardio #PulmCrit Image
mPAP is mean pulmonary arterial pressure which can only be accurately measured by right heart catheterization

Pressures more than 25 mm Hg, means there is clinically/hemodynamically significant resistence at the level of pulmonary arterioles/capillaries
Pulmonary artery occlusion pressure (PAOP) or pulmonary capillary wedge pressure (PCWP) is estimated pressure of left atrium & LVEDP

• < 15 mm Hg : suggests no left heart failure

• > 15 mm Hg : suggests + left heart disease also named as pulmonary venous hypertension (PVH) Image
Read 9 tweets
May 15, 2023
What is meant my Pulsus Paradoxus ?
A one-stop pathophysiology thread you’d ever need 🧵

#MedTwitter #MedStudentTwitter #MedEd #FOAMed #CardioEd #USMLE #ICU #EMTwitter Image
To understand Pulsus Paradoxus in detail,

It is essential to realise for a fact that, 1. Pleural pressure, 2. Abdominal pressure, 3. Heart chamber pressures & 4. Lung pressures, are all interconnected, interact & react among each other.
As we inspire —> the diaphragm moves down, creating a more negative intra-pleural pressure & a more positive abdominal pressure —> this adds up to ⬆️ venous return to right atrium —> excess blood enters RV & ⬆️ right ventricular end diastolic pressure (RVED)
Read 14 tweets
Feb 9, 2023
A thread on mechanics, logistics and reasons behind positive end expiratory pressure (PEEP) significance while handling patients on mechanical or non-invasive ventilation 🧵

#MedTwitter #EDTweeter #PulmTwitter @PulmPEEPs Image
PEEP is the air pressure that stays “WITHIN” the lungs after a person finishes exhaling. Now, this PEEP pressure is always greater than atmospheric pressure. It essentially prevents the alveoli’s to collapse and maintains the airways open.
CPAP is a non-invasive mode of ventilation which works by the same principal of PEEP, I.e. to provide end expiratory positive pressure

EPAP means expiratory positive airway pressure which works with the same logic & dynamics of PEEP, but is used for patients receiving BPAP Image
Read 25 tweets
Feb 6, 2023
Progesterone challenge test for secondary amenorrhea.

Core points 🧵🪡

#obgyntwitter #MedTwitter
While assessing 2ndary Amenorrhea ⏬

Give progesterone > bleeds | It was the one lacking on board (anovulation/PCOS)

Give progesterone > doesnt bleed | try adding estrogen & simulate a menstrual cycle >> If then Bleeds🩸> something’s wrong with the FSH/LH fine tuning
If Estrogen + Progesterone does’nt lead to bleed🩸— check for uterine pathway blockage/structural defects (Asherman’s syndrome) esp. pt having h/o multiple D&C
Read 4 tweets
Feb 3, 2023
AV dissociation, capture beats and fusion beats are all hallmarks of ventricular tachycardia

A simple understanding 👇

#CardioTwitter #Cardiology #Medtwitter
What’s a “capture beat” ?

During ventricular tachycardia, sometimes the SA nodal firing takes control of independent ventricular depolarization for brief moment, as this happens, “CAPTURE BEATS” appear. They are nothing but a brief moment of normal looking P-QRS pattern Image
Whats a “fusion beat” ?

During ventricular tachycardia, sometimes the SA nodal impulse and the independent ventricular impulse combine together to create a mix looking P-QRS pattern called fusion beats.

#ECG @EPeeps_Bot #ecglearning #CardiacArrest ImageImage
Read 4 tweets

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