Dr. Zahidul Mostafa

04/07/2025

01/07/2025

Like the deep mystery of the sea Like a silent dream,

16/06/2025

Understanding Chest Leads in ECG Interpretation:

ECG chest (precordial) leads show how electrical depolarization spreads across the heart. Here's a breakdown:

1️⃣ Normal R Wave Progression
As you move from V1 → V6, R waves gradually increase in amplitude. This reflects normal ventricular depolarization moving toward the left ventricle.

2️⃣ QRS Transition Zone
This is the point where the QRS complex switches from mostly negative to mostly positive, typically around V3 or V4.

3️⃣ Abnormal Patterns to Know
🔵 Poor R wave progression: Often suggests an old anterior myocardial infarction (scar tissue blocks normal conduction).
🔵 Reverse R wave progression: R wave height decreases across leads, often due to right ventricular hypertrophy (RVH).

4️⃣ QRS Transition Zone Shifts
🔴 Shift to the right (earlier, V1–V2): Can indicate LV myocardial infarction (loss of viable myocardium) or RV hypertrophy (thicker muscle on the right side changes vector orientation).

📚 Based on figures from Osmosis.org

11/06/2025

Management of Elevated INR in patients taking Warfarin ⤵️ 🔹

09/06/2025

ECG - Basics Quick Reference 📚⤵️ 🔹🩸

07/06/2025

আসসালামু আলাইকুম।

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এই পবিত্র দিনে তাকওয়া, ত্যাগ ও ইসলামের শিক্ষা হৃদয়ে ধারণ করি।
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🌙 ঈদ মোবারক 🌙

20/05/2025

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22/04/2025

Management of Heart Failure with Mildly Reduced Ejection Fraction (HFmrEF) LVEF 41–49%
Vs
Management of Heart failure with preserved Ejection Fraction (HFpEF) LVEF ≥50%

ESC Guidelines

03/04/2025

Delegates from Bangladesh attending ACP 😇

30/03/2025

Eid Mubarak! 🌙

May Allah bless you and your families with his Mercy and Acceptance 🤲🏻