176 results
cardiology diagnosis clinical ekg differential management ecg electrocardiogram svt tachycardia algorithm echocardiogram pocus physicalexam video criticalcare causes comparison syndrome table
Pressors and Inotropes Norepinephrine • alpha1 > beta 1 • Increase SVR > Inotropy Vasopressin • V1 •
1 • Increase SVR ... V1 • Increase SVR ... 1 • Increase SVR ... Inotropy > Increase SVR ... Inotropy, Decrease SVR
Shock Classification and Differential Diagnosis SHOCK • MAP <65, SBP <90, drop in SBP > 40 •
High CO / Low SVR ... Low CO / High SVR ... Low CO / High SVR ... Low CO / High SVR
Shock - Differential Diagnosis Framework MAP = CO x SVR Hypovolemic (↓ Intravascular volume): • Hemorrhage, dehydration due
Framework MAP = CO x SVR ... third-spacing • ↓ CO, ↑ SVR ... arrhythmia • ↓ CO, ↑ SVR ... PAH • ↓ CO, ↑ SVR ... toxins • ↑ CO, ↓ SVR
Vasopressors and Inotropes - Pharmacology Summary Vasopressors Phenylephrine (alpha-1) • Increases BP, SVR • Risk of reflex bradycardia
Increases BP, SVR ... Increases BP, SVR ... Increases HR, SVR ... Increases BP, SVR ... vasoconstriction, SVR
Calcium Channel Blockers - Dihydropyridines vs Non-Dihydropyridines Dihydropyridines (amlodipine, felodipine, nifedipine, nicardipine) • SVR: Decrease • Inotropy:
nicardipine) • SVR ... verapamil) • SVR
Syncope in 3 Steps 1. Consider the 3 "S" Mimics: Seizure, low Sugar, Stroke (TIA) 2. Heart vs
Heart vs SVR Heart ... > fast or slow SVR
Simplified Vasopressors and Inotropes Comparison Chart MAP = CO x SVR Dobutamine - Norepinephrine - Epinephrine - Phenylephrine
Chart MAP = CO x SVR
Tetralogy of Fallot - Hypoxic Spell Management 1. Oxygenation 2. Increase SVR 3. Abolish Hyperpnea 4. Correct Acidosis - Dr. Rasha
Increase SVR 3.
Shock - Differential Diagnosis Framework - MAP <65. SBP <90, drop in SBP > 40 -
High CO / Low SVR ... Low CO / High SVR
Vasopressors and Inotropes - Comparison Table Activity: Alpha-1, Beta-1, Dopamine, SVR, HR, CO, BP Phenylephrine Vasopressin Norepinephrine Epinephrine Dopamine Dobutamine Isoproterenol Milrinone - Dr. Eric Strong
Beta-1, Dopamine, SVR
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