Pharmacology

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Updated: May 4, 2026 at 5:51 PM

Pharmacology

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Pharmacology

Apr 27, 2026, 03:12 PM

5️⃣ Interview with Calcium Channel Blockers – Non-Cardiac Uses 🧠
Done by Dr YAQOB AL-SOMEEAI
Telegram Channel:

https://t.me/Yaqob_Hamood
👨‍⚕️ Doctor: Welcome . we will explore something many clinicians underestimate… your non-cardiac uses in full clinical detail.
💊 CCBs: Exactly doctor 🔥 We are far beyond just cardiovascular drugs.
👨‍⚕️ Doctor: Let’s start with the most critical neurological use.
💊 CCBs:
🧠 Subarachnoid Hemorrhage (SAH)
💊 Nimodipine
✔ Dose: 60 mg every 4 hours for 21 days
✔ Prevents cerebral vasospasm
✔ Reduces delayed ischemic neurological deficits
👨‍⚕️ Doctor: Now migraine — explain it in a clinical way.
💊 CCBs:
🧠 Migraine Prophylaxis
✔ Used for prevention, NOT acute attacks ❗
✔ Indications:
• ≥4 attacks/month
• Severe or disabling migraine
• Failure of first-line therapy
• Contraindication to beta blockers
✔ Drug:
💊 Verapamil
✔ Dose:
• Start: 80 mg three times daily
• Titrate: up to 240–480 mg/day
⏳ Onset: 2–8 weeks
✔ Special use:
• Vestibular migraine
• Patients with hypertension + migraine

We are not first line
👨‍⚕️ Doctor: Are there stronger indications in headache disorders?
💊 CCBs: Yes 🔥
🧠 Cluster Headache
💊 Verapamil ⭐ (First-line prophylaxis)
✔ Dose:
• Start: 80 mg TID
• May increase up to 480–960 mg/day
⚠️ Requires ECG monitoring
👨🏽‍⚕Doctor: What about vascular disorders?
💊 CCBs:
🩸 Raynaud Phenomenon
💊 Amlodipine → 5–10 mg daily
💊 Nifedipine ER → 30–60 mg daily
✔ First-line therapy
✔ Mechanism:
• Peripheral vasodilation
• Reduced vasospasm
🧊 Chilblains (Cold-induced vasospasm)
💊 Nifedipine
✔ Reduces pain and vascular spasm
👨🏼‍⚕ Doctor: Any pulmonary uses?
💊 CCBs:
🫁 Pulmonary Hypertension (selected patients)
💊 Amlodipine / Nifedipine / Diltiazem
✔ Only in vasoreactive patients
❗ Not routine therapy
👨🏻‍⚕ Doctor: What about gastrointestinal uses?
💊 CCBs:
🍽️ Esophageal Spasm
💊 Diltiazem
✔ Dose: 60–90 mg 3–4 times daily
🧴 Anal Fissure (off-label)
💊 Topical Diltiazem
✔ Relaxes internal anal sphincter
✔ Improves blood flow
👨‍⚕️ Doctor: Any role in obstetrics?
💊 CCBs:
🤰 Preterm Labor (Tocolysis)
💊 Nifedipine
✔ Reduces uterine contractions
👨‍⚕️ Doctor: Any cardiac-related but special use?
💊 CCBs:
🧬 Hypertrophic Obstructive Cardiomyopathy (HOCM)
💊 Verapamil
✔ Used if beta blockers not tolerated
✔ Improves diastolic filling and symptoms
👨‍⚕️ Doctor: What about emergencies?
💊 CCBs:
🚑 Hypertensive Emergencies
💊 Nicardipine IV → 5–15 mg/hour
💊 Clevidipine IV → 1–2 mg/hour (rapid titration)
👨‍⚕️ Doctor: That’s a huge range of uses…
💊 CCBs: Exactly 👌
✔ Brain 🧠
✔ Vessels 🩸
✔ Smooth muscle
✔ Uterus 🤰
✔ GI tract 🍽️
👨‍⚕️ Doctor: Final message?
💊 CCBs:
✔ Nimodipine = SAH
✔ Verapamil = migraine & cluster headache
✔ DHP = Raynaud & vasospasm
✔ Nifedipine = pregnancy & tocolysis
✔ IV CCBs = emergencies
💡 Clinical Pearl 🔥
Calcium Channel Blockers are vasospasm-modulating drugs…
➡️ If the disease involves smooth muscle contraction or vascular spasm → think CCB
📚 Sources
UpToDate
...ect

3,330

Pharmacology

Apr 27, 2026, 03:12 PM

5️⃣ Interview with Calcium Channel Blockers – Non-Cardiac Uses 🧠 Done by Dr YAQOB AL-SOMEEAI Telegram Channel: https://t.me/pharmacology2017 https://t.me/Yaqob_Hamood 👨‍⚕️ Doctor: Welcome . we will explore something many clinicians underestimate… your non…

3,130

Pharmacology

Apr 27, 2026, 03:12 PM

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Pharmacology

Apr 27, 2026, 03:12 PM

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1,500

Pharmacology

Apr 27, 2026, 03:12 PM

Thanks 🙏 for 32233 members

2,140

Pharmacology

Apr 27, 2026, 03:12 PM

4️⃣ Interview with Calcium Channel Blockers in Arrhythmias ⚡❤️ Done by Dr YAQOB AL-SOMEEAI Telegram Channel: https://t.me/pharmacology2017 https://t.me/Yaqob_Hamood 👨‍⚕️ Doctor: Welcome back. Today we are discussing a high-yield and critical topic: your role…

2,460

Pharmacology

Apr 27, 2026, 03:12 PM

📷 Photo

CCB in Arrhythmia

2,930

Pharmacology

Apr 27, 2026, 03:12 PM

4️⃣ Interview with Calcium Channel Blockers in Arrhythmias ⚡❤️
Done by Dr YAQOB AL-SOMEEAI
Telegram Channel:

https://t.me/Yaqob_Hamood
👨‍⚕️ Doctor: Welcome back. Today we are discussing a high-yield and critical topic: your role in arrhythmias. Be precise… when exactly should we use you?
💊 CCBs: Perfect. In arrhythmias, not all of us are used — only a specific group 🔥
👨‍⚕️ Doctor: Which of you are used in arrhythmias?
💊 CCBs:
✔ Only Non-DHP:
💊 Verapamil
💊 Diltiazem
❌ NOT used:
💊 Amlodipine
💊 Nifedipine
➡️ No significant effect on AV node
👨‍⚕️ Doctor: What is your mechanism in arrhythmias?
💊 CCBs:
We act mainly on the AV node:
⚡ ↓ AV nodal conduction
⚡ ↑ AV nodal refractory period
➡️ Slow ventricular response
👨‍⚕️ Doctor: Let’s go clinically — start with AF.
1️⃣ Atrial Fibrillation (AF)
💊 CCBs:
✔ Used for rate control
✔ Indications:
• Rapid ventricular response
• Stable patients
✔ Preferred drugs:
💊 Diltiazem ⭐ (commonly used IV)
💊 Verapamil
⚠️ Important:
❗ Do NOT use in:
• Heart failure (HFrEF)
• Hypotension
👨‍⚕️ Doctor: Are you first-line in AF?
💊 CCBs:
✔ Along with Beta blockers, we are:
👉 First-line for rate control
Choice depends on patient condition.
2️⃣ Supraventricular Tachycardia (SVT)
👨‍⚕️ Doctor: What about SVT?
💊 CCBs:
✔ Used when:
• Adenosine fails
• Or contraindicated
✔ Role:
➡️ Terminate AV node–dependent SVT
✔ Drugs:
💊 Verapamil
💊 Diltiazem
3️⃣ Atrial Flutter
💊 CCBs:
✔ Used for rate control (similar to AF)
👨‍⚕️ Doctor: When should we NOT use you?
💊 CCBs:
🔥 Very important contraindications:
❌ Heart Failure (HFrEF)
➡️ Negative inotropic effect
➡️ May worsen outcomes
❌ AV Block (2nd/3rd degree)
➡️ Risk of complete heart block
❌ Hypotension
❌ Wide-complex tachycardia (unknown origin)
➡️ May be ventricular tachycardia → dangerous
👨‍⚕️ Doctor: Dangerous combinations?
💊 CCBs:
❗ Non-DHP + Beta blockers
➡️ Severe bradycardia
➡️ AV block
➡️ Cardiogenic shock
👨‍⚕️ Doctor: When do we choose you over Beta blockers?
💊 CCBs:
✔ Asthma / COPD (BB contraindicated)
✔ Intolerance to Beta blockers
✔ Need for strong AV node control
👨‍⚕️ Doctor: Any advanced clinical pearls?
💊 CCBs:
🔥 High-yield:
✔ Diltiazem → preferred in ER (IV use)
✔ Verapamil → stronger AV node effect
✔ Always assess EF before use
👨‍⚕️ Doctor: Final message?
💊 CCBs:
✔ Only Non-DHP are used in arrhythmias
✔ First-line for rate control (with BB)
✔ Avoid in heart failure
✔ Avoid dangerous combinations
💡 Clinical Pearl 🔥
If the arrhythmia is AV node–dependent → think CCB (Non-DHP)
If ventricular → ❌ do NOT use us
📚 Sources
UpToDate
...ect

Pharmacology

Apr 27, 2026, 03:12 PM

https://t.me/xford2026

1,120

Pharmacology

Apr 27, 2026, 03:12 PM

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3,130

Pharmacology

Apr 19, 2026, 09:59 PM

Empagliflozine " free " Now for free but need reaction, share all post

2,420

Pharmacology

Apr 19, 2026, 09:59 PM

🔥 Your free pharmacy channel? Staying free. Always.

But if you're ready for the next level —
🔬 Advanced reviews
📌 Real clinical cases
📄 Exclusive PDFs
💬 Direct support from me

Then the paid channel is yours.
👉 { https://t.me/+CRqLmho6qSM3ZmU0 }

The free channel never changes. This is my promise to you

3,850

Pharmacology

Apr 19, 2026, 09:59 PM

I feel no energy to do New interview 😕
Because our content is free 🆓 so no reaction , no one interested on it

2,470

Pharmacology

Apr 19, 2026, 09:59 PM

2,370

Pharmacology

Apr 19, 2026, 09:59 PM

📷 Photo

Empagliflozine " free "
Now for free but need reaction, share all post

4,490

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