Diltiazem = 3 negatives?

* Negative chronotrope → ↓ heart rate * Negative dromotrope → ↓ AV-node conduction * Negative inotrope → ↓ contractility That’s why non-dihydropyridine CCBs (diltiazem and verapamil) are generally avoided in HFrEF.

Amlodipine, Nifedipine, Nicardipine — think VESSELS 🩸

These primarily cause arterial vasodilation. Vasodilation → ↓ SVR → ↓ afterload → ↓ BP They don’t significantly slow AV-node conduction like diltiazem/verapamil.

1. Negative dromotrope → slows conduction through the AV node → ↓ ventricular rate. 2. Positive inotrope → ↑ cardiac contractility.

Negative chronotrope → ↓ HR

Diltizem is what kind of inotrope

Diltiazem → ↓ SA rate (negative chronotropy) Diltiazem → ↓ AV conduction (negative dromotropy) Diltiazem → ↓ contractility (negative inotropy)

Adenosine is used for?

stable, regular, narrow-complex tachycardia (SVT).

What dose of adenosine is to be administered?

Dose: 6 mg rapid IV push → rapid saline flush If unsuccessful → 12 mg May repeat 12 mg if needed. Why rapid? Adenosine’s half-life is less than 10 seconds. It needs to reach the heart quickly.

What is Synchronized cardioversion used for?

Regular + narrow + stable → adenosine

Can you give nitroglycerin to pts with right ventricular infarction

No! be very cautious with nitroglycerin. Nitro → venodilation → ↓ preload → an already underfilled LV gets even less blood → severe hypotension.

CVP = RIGHT PAWP = LEFT CI = FLOW SVR = SQUEEZE of the vessels

CVP 3 ↓ PAWP 5 ↓ CI 4.8 ↑ SVR 500 ↓↓↓

Biggest clue of septic shock?

Look at the strongest clue: 🔥 SVR 500 = VERY LOW In early (“warm”) septic shock, inflammatory mediators cause massive vasodilation. Vasodilation → ↓↓↓ SVR → hypotension ⭐ Hallmark of septic shock

hypovolemic shock s/s

Hypovolemic: ↓ CVP, ↓ PAWP, ↓ CI, ↑ SVR 🧠 Hypovolemic = tank is too EMPTY.

Help

Options

focusNode

Didn't know it?
click below

Knew it?
click below

Don't Know

Remaining cards (0)

Know

retry

shuffle

restart

0:00

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Ca blockers

Question	Answer
Diltiazem = 3 negatives?	* Negative chronotrope → ↓ heart rate * Negative dromotrope → ↓ AV-node conduction * Negative inotrope → ↓ contractility That’s why non-dihydropyridine CCBs (diltiazem and verapamil) are generally avoided in HFrEF.
Amlodipine, Nifedipine, Nicardipine — think VESSELS 🩸	These primarily cause arterial vasodilation. Vasodilation → ↓ SVR → ↓ afterload → ↓ BP They don’t significantly slow AV-node conduction like diltiazem/verapamil.
Digoxin	1. Negative dromotrope → slows conduction through the AV node → ↓ ventricular rate. 2. Positive inotrope → ↑ cardiac contractility.
Chronotropy = RATE	Negative chronotrope → ↓ HR
Diltizem is what kind of inotrope	Diltiazem → ↓ SA rate (negative chronotropy) Diltiazem → ↓ AV conduction (negative dromotropy) Diltiazem → ↓ contractility (negative inotropy)
Adenosine is used for?	stable, regular, narrow-complex tachycardia (SVT).
What dose of adenosine is to be administered?	Dose: 6 mg rapid IV push → rapid saline flush If unsuccessful → 12 mg May repeat 12 mg if needed. Why rapid? Adenosine’s half-life is less than 10 seconds. It needs to reach the heart quickly.
What is Synchronized cardioversion used for?	Regular + narrow + stable → adenosine
Can you give nitroglycerin to pts with right ventricular infarction	No! be very cautious with nitroglycerin. Nitro → venodilation → ↓ preload → an already underfilled LV gets even less blood → severe hypotension.
Hemodynamics	CVP = RIGHT PAWP = LEFT CI = FLOW SVR = SQUEEZE of the vessels
septic shock s:s	CVP 3 ↓ PAWP 5 ↓ CI 4.8 ↑ SVR 500 ↓↓↓
Biggest clue of septic shock?	Look at the strongest clue: 🔥 SVR 500 = VERY LOW In early (“warm”) septic shock, inflammatory mediators cause massive vasodilation. Vasodilation → ↓↓↓ SVR → hypotension ⭐ Hallmark of septic shock
hypovolemic shock s/s	Hypovolemic: ↓ CVP, ↓ PAWP, ↓ CI, ↑ SVR 🧠 Hypovolemic = tank is too EMPTY.

Created by: Remarkable RN

"Know" box contains:
Time elapsed:
Retries: