MARK KLIMEK LECTURE #3: CALCIUM CHANNEL BLOCKERS  Calcium channel blockers are like valium for your heart.

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MARK KLIMEK LECTURE #3 JANUARY 24, 2018 CALCIUM CHANNEL BLOCKERS  Calcium channel blockers are like valium for your heart. Calms the heart down. Indicators – tachycardia, tacharythmias  ... Negative intropic, chronotropic, dromotropic (relax your heart, calm it down)  They treat – A (antihypertensives), AA (antianginal), AAA (anti-atrial arythmia) they treat atrial dysrhythmias and supraventricular contractions (SVT)  Names – majority end in -dipine (amlodipine, nifedipine) & verapamil, cardizem (can be given as a continuous IV drip)  Side effects – headache & HYPOtension (take BP before administering, hold if systolic is <100) CARDIAC ARRYTHMIAS  QRS refers to – Ventricular  P refers to – Atrial ATRIAL FLUTTER Rapid P wave repolarizations in a saw tooth pattern2 ATRIAL FIBRILLATION chaotic QRS depolarizations, heart rate is irregular TX: HEPARIN first, then ABCD VENTRICULAR FIBRILLATION Chaotic QRS depolarizations TX: defibrillation (shock them) VENTRICULAR TACHYCARDIA Wide bizarre QRS’s TX: Lidocaine & amiodaroneA 3 SYSTOLE a lack of QRS repolarizations TX: epinehphrine & atropine [Show More]

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