29 results
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
that prolong the QT ... Methadone • Also ... Hypomagnesemia Hypokalemia ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hyporeflexia: • Hypercalcemia ... polyneuropathy (e.g ... injury, Early ALS ... Eclampsia, Late ALS ... #differential #
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
risk factors (eg ... hypertension (eg ... 109 mm Hg) with clinical ... hypertension (eg ... #causes #Differential
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism on ECG ... Triage EKG (no prior ... See thread for POCUS ... Pulmonary #Embolism #ECG ... #clinical #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... heart disease Causes ... Hypomagnesemia • Hypokalemia ... 300 = NSVT EKG ... #cardiology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Management Summary Causes ... Herpes, Coxsackie, etc ... Dermatomyositis Clinical ... #treatment #nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Weakness, cramping, nausea ... reabsorption) Workup ... heparinized tube) • ECG ... only if no clear cause ... Treatment #potassium #nephrology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... "pinched off" as ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
(eg. remifentanil ... , digoxin etc) ... myocardial infarction, hyperkalaemia ... Diagnosis #Management #Workup ... #Cardiology
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
As soon as ... • Check ECG rhythm ... Hypovolaemia Hypo/hyperkalaemia ... CardiacArrest #Checklist #Differential ... Diagnosis #Management #Workup