22 results
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... interval - Only works ... #Measurement #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
• ↑ Ca - short QT ... • ↓ Ca - long QT ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Surgical devices, e.g ... Sepsis (→ 3-14) e.g ... malignant syndrome (e.g ... #Diagnosis #Management ... #Workup
Myasthenic Crisis Checklist - Myasthenia Gravis

Evaluation 
 - Chest X-ray and lung ultrasound (exclude other lung
Phos), CBC with differential ... - Infectious workup ... Pyridostigmine - New diagnosis ... oral secretions (e.g ... #Management #CriticalCare
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
trolley and 12-lead ECG ... CM5 continuous ECG ... Obtain a 12-lead ECG ... #Diagnosis #Management ... #Workup
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
and a prolonged QT ... waves - Short QT ... waves • Short QT ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Admitting in the ICU - Checklist
VITALS: If bad, stop and go see the patient immediately; you
Admitting in the ICU - Checklist ... hyponatremia, AKI, etc ... /management of shock ... will also get an EKG ... #diagnosis #workup
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... ., long QT syndrome ... 300 = NSVT EKG ... #differential # ... cardiology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential ... risk factors (eg ... hypertension (eg ... hypertension (eg
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
unit activity on EMG ... of diazepam • EMG ... antibody that works ... EMG Studies: ... #neurology