18 results
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Wandering Atrial ... Arrhythmia #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #variants #clinical ... #comparison
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens ... to 12.0 mEq/L, ventricular ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... (e.g. ectopic atrial ... @AmyChung #EKG ... Interpretation #ECG
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Wandering Atrial ... Arrhythmia #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #variants #clinical ... #comparison
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... Hypomagnesemia • Hypokalemia ... 300 = NSVT EKG ... capture of the atria ... arrhythmia • Atrial
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential Diagnosis ... risk factors (eg ... hypertension (eg ... 109 mm Hg) with clinical ... hypertension (eg
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... - ↓ Effective arterial ... heparinized tube) • ECG ... only if no clear cause ... Elimination (see Table
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... supraventricular or ventricular ... tachycardia • Ventricular ... Valvular disease (e.g ... Hypoglycemia • Hypovolemia
This is a parasternal long axis view of a young patient presenting with 3 days of
x-ray and and ECG ... Beside ultrasound ... long, the right ventricular ... root, and left atrium ... Northwestern University #Clinical
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Disorders: • Hyperkalemia ... Elevation of Normal Variant ... #cardiology #ecg ... #ekg #electrocardiogram